23693644402 has 8 divisors (see below), whose sum is σ = 35546972076. Its totient is φ = 11844653712.

The previous prime is 23693644391. The next prime is 23693644417. The reversal of 23693644402 is 20444639632.

It can be written as a sum of positive squares in 2 ways, for example, as 15237186721 + 8456457681 = 123439^2 + 91959^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×23693644402² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1070553 + ... + 1092460.

Almost surely, 2^23693644402 is an apocalyptic number.

23693644402 is a deficient number, since it is larger than the sum of its proper divisors (11853327674).

23693644402 is a wasteful number, since it uses less digits than its factorization.

23693644402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168492.

The product of its (nonzero) digits is 746496, while the sum is 43.

The spelling of 23693644402 in words is "twenty-three billion, six hundred ninety-three million, six hundred forty-four thousand, four hundred two".