23193815672 has 8 divisors (see below), whose sum is σ = 43488404400. Its totient is φ = 11596907832.

The previous prime is 23193815653. The next prime is 23193815681. The reversal of 23193815672 is 27651839132.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×23193815672³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1449613472 + ... + 1449613487.

It is an arithmetic number, because the mean of its divisors is an integer number (5436050550).

Almost surely, 2^23193815672 is an apocalyptic number.

It is an amenable number.

23193815672 is a deficient number, since it is larger than the sum of its proper divisors (20294588728).

23193815672 is a wasteful number, since it uses less digits than its factorization.

23193815672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2899226965 (or 2899226961 counting only the distinct ones).

The product of its digits is 544320, while the sum is 47.

The spelling of 23193815672 in words is "twenty-three billion, one hundred ninety-three million, eight hundred fifteen thousand, six hundred seventy-two".