23693492438 has 24 divisors (see below), whose sum is σ = 45101158344. Its totient is φ = 9231230400.

The previous prime is 23693492437. The next prime is 23693492447. The reversal of 23693492438 is 83429439632.

It is a happy number.

It is a super-2 number, since 2×23693492438² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23693492438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23693492437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10988483 + ... + 10990638.

It is an arithmetic number, because the mean of its divisors is an integer number (1879214931).

Almost surely, 2^23693492438 is an apocalyptic number.

23693492438 is a deficient number, since it is larger than the sum of its proper divisors (21407665906).

23693492438 is a wasteful number, since it uses less digits than its factorization.

23693492438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21979148 (or 21979141 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 53.

The spelling of 23693492438 in words is "twenty-three billion, six hundred ninety-three million, four hundred ninety-two thousand, four hundred thirty-eight".