23953881964 has 12 divisors (see below), whose sum is σ = 41921138224. Its totient is φ = 11976413904.

The previous prime is 23953881901. The next prime is 23953881979. The reversal of 23953881964 is 46918835932.

It is a super-3 number, since 3×23953881964³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 23953881899 and 23953881908.

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 3 ways as a sum of consecutive naturals, for example, 18744 + ... + 219679.

Almost surely, 2^23953881964 is an apocalyptic number.

It is an amenable number.

23953881964 is a deficient number, since it is larger than the sum of its proper divisors (17967256260).

23953881964 is a wasteful number, since it uses less digits than its factorization.

23953881964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263544 (or 263542 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 58.

The spelling of 23953881964 in words is "twenty-three billion, nine hundred fifty-three million, eight hundred eighty-one thousand, nine hundred sixty-four".