23403120432 has 40 divisors (see below), whose sum is σ = 61449184560. Its totient is φ = 7673153280.

The previous prime is 23403120409. The next prime is 23403120467. The reversal of 23403120432 is 23402130432.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3993507 + ... + 3999362.

It is an arithmetic number, because the mean of its divisors is an integer number (1536229614).

Almost surely, 2^23403120432 is an apocalyptic number.

It is an amenable number.

23403120432 is an abundant number, since it is smaller than the sum of its proper divisors (38046064128).

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

23403120432 is a wasteful number, since it uses less digits than its factorization.

23403120432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7992941 (or 7992935 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 23403120432 its reverse (23402130432), we get a palindrome (46805250864).

The spelling of 23403120432 in words is "twenty-three billion, four hundred three million, one hundred twenty thousand, four hundred thirty-two".