23400403032 has 32 divisors (see below), whose sum is σ = 61942244400. Its totient is φ = 7341302784.

The previous prime is 23400402989. The next prime is 23400403087. The reversal of 23400403032 is 23030400432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28676557 + ... + 28677372.

Almost surely, 2^23400403032 is an apocalyptic number.

It is an amenable number.

23400403032 is an abundant number, since it is smaller than the sum of its proper divisors (38541841368).

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

23400403032 is a wasteful number, since it uses less digits than its factorization.

23400403032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57353955 (or 57353951 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 23400403032 its reverse (23030400432), we get a palindrome (46430803464).

The spelling of 23400403032 in words is "twenty-three billion, four hundred million, four hundred three thousand, thirty-two".