30423400000 has 336 divisors, whose sum is σ = 89148294144. Its totient is φ = 10080000000.

The previous prime is 30423399989. The next prime is 30423400009. The reversal of 30423400000 is 432403.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30423400009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43399650 + ... + 43400350.

It is an arithmetic number, because the mean of its divisors is an integer number (265322304).

Almost surely, 2^30423400000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30423400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44574147072).

30423400000 is an abundant number, since it is smaller than the sum of its proper divisors (58724894144).

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

30423400000 is an frugal number, since it uses more digits than its factorization.

30423400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 30423400000 its reverse (432403), we get a palindrome (30423832403).

The spelling of 30423400000 in words is "thirty billion, four hundred twenty-three million, four hundred thousand".