23421812432 has 10 divisors (see below), whose sum is σ = 45379761618. Its totient is φ = 11710906208.

The previous prime is 23421812431. The next prime is 23421812443.

23421812432 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 18742705216 + 4679107216 = 136904^2 + 68404^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23421812431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 731931623 + ... + 731931654.

Almost surely, 2^23421812432 is an apocalyptic number.

It is an amenable number.

23421812432 is a deficient number, since it is larger than the sum of its proper divisors (21957949186).

23421812432 is a wasteful number, since it uses less digits than its factorization.

23421812432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463863285 (or 1463863279 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The spelling of 23421812432 in words is "twenty-three billion, four hundred twenty-one million, eight hundred twelve thousand, four hundred thirty-two".