23421909376 has 16 divisors (see below), whose sum is σ = 46660835340. Its totient is φ = 11710954624.

The previous prime is 23421909373. The next prime is 23421909389. The reversal of 23421909376 is 67390912432.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23421909373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91491706 + ... + 91491961.

Almost surely, 2^23421909376 is an apocalyptic number.

It is an amenable number.

23421909376 is a deficient number, since it is larger than the sum of its proper divisors (23238925964).

23421909376 is an equidigital number, since it uses as much as digits as its factorization.

23421909376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182983681 (or 182983669 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 46.

The spelling of 23421909376 in words is "twenty-three billion, four hundred twenty-one million, nine hundred nine thousand, three hundred seventy-six".