15233420 has 12 divisors (see below), whose sum is σ = 31990224. Its totient is φ = 6093360.

The previous prime is 15233399. The next prime is 15233423. The reversal of 15233420 is 2433251.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 761671 = 15233420 / (1 + 5 + 2 + 3 + 3 + 4 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 15233392 and 15233401.

It is not an unprimeable number, because it can be changed into a prime (15233423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380816 + ... + 380855.

It is an arithmetic number, because the mean of its divisors is an integer number (2665852).

Almost surely, 2^15233420 is an apocalyptic number.

15233420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15233420 is an abundant number, since it is smaller than the sum of its proper divisors (16756804).

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

15233420 is a wasteful number, since it uses less digits than its factorization.

15233420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761680 (or 761678 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 15233420 is about 3903.0014091722. The cubic root of 15233420 is about 247.8938801959.

Adding to 15233420 its reverse (2433251), we get a palindrome (17666671).

The spelling of 15233420 in words is "fifteen million, two hundred thirty-three thousand, four hundred twenty".