234003420 has 216 divisors, whose sum is σ = 846269424. Its totient is φ = 52157952.

The previous prime is 234003409. The next prime is 234003437. The reversal of 234003420 is 24300432.

234003420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 234003393 and 234003402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 378952 + ... + 379568.

It is an arithmetic number, because the mean of its divisors is an integer number (3917914).

Almost surely, 2^234003420 is an apocalyptic number.

234003420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234003420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423134712).

234003420 is an abundant number, since it is smaller than the sum of its proper divisors (612266004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

234003420 is a wasteful number, since it uses less digits than its factorization.

234003420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689 (or 677 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 234003420 is about 15297.1703265669. The cubic root of 234003420 is about 616.2270168773.

Adding to 234003420 its reverse (24300432), we get a palindrome (258303852).

The spelling of 234003420 in words is "two hundred thirty-four million, three thousand, four hundred twenty".