23904281232 has 60 divisors (see below), whose sum is σ = 72044853244. Its totient is φ = 7355162880.

The previous prime is 23904281221. The next prime is 23904281237. The reversal of 23904281232 is 23218240932.

23904281232 is a `hidden beast` number, since 23 + 90 + 428 + 123 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6911594496 + 16992686736 = 83136^2 + 130356^2 .

It is a super-2 number, since 2×23904281232² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (23904281237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6382819 + ... + 6386562.

Almost surely, 2^23904281232 is an apocalyptic number.

It is an amenable number.

23904281232 is an abundant number, since it is smaller than the sum of its proper divisors (48140572012).

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

23904281232 is a wasteful number, since it uses less digits than its factorization.

23904281232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12769408 (or 12769399 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 23904281232 in words is "twenty-three billion, nine hundred four million, two hundred eighty-one thousand, two hundred thirty-two".