23813993492 has 12 divisors (see below), whose sum is σ = 41686016736. Its totient is φ = 11903703000.

The previous prime is 23813993479. The next prime is 23813993503. The reversal of 23813993492 is 29439931832.

It is a congruent number.

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, 807134 + ... + 836117.

It is an arithmetic number, because the mean of its divisors is an integer number (3473834728).

Almost surely, 2^23813993492 is an apocalyptic number.

It is an amenable number.

23813993492 is a deficient number, since it is larger than the sum of its proper divisors (17872023244).

23813993492 is a wasteful number, since it uses less digits than its factorization.

23813993492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646878 (or 1646876 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 53.

The spelling of 23813993492 in words is "twenty-three billion, eight hundred thirteen million, nine hundred ninety-three thousand, four hundred ninety-two".