23861620432 has 40 divisors (see below), whose sum is σ = 49797611360. Its totient is φ = 11010971520.

The previous prime is 23861620403. The next prime is 23861620477. The reversal of 23861620432 is 23402616832.

It is a junction number, because it is equal to n+sod(n) for n = 23861620391 and 23861620400.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1884619 + ... + 1897237.

It is an arithmetic number, because the mean of its divisors is an integer number (1244940284).

Almost surely, 2^23861620432 is an apocalyptic number.

It is an amenable number.

23861620432 is an abundant number, since it is smaller than the sum of its proper divisors (25935990928).

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

23861620432 is a wasteful number, since it uses less digits than its factorization.

23861620432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21731 (or 21725 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 23861620432 in words is "twenty-three billion, eight hundred sixty-one million, six hundred twenty thousand, four hundred thirty-two".