23694728988 has 48 divisors (see below), whose sum is σ = 63194802944. Its totient is φ = 6768973440.

The previous prime is 23694728983. The next prime is 23694728989. The reversal of 23694728988 is 88982749632.

It is a super-2 number, since 2×23694728988² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23694728983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 769203 + ... + 799413.

Almost surely, 2^23694728988 is an apocalyptic number.

23694728988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23694728988 is an abundant number, since it is smaller than the sum of its proper divisors (39500073956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23694728988 is a wasteful number, since it uses less digits than its factorization.

23694728988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39562 (or 39560 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 66.

The spelling of 23694728988 in words is "twenty-three billion, six hundred ninety-four million, seven hundred twenty-eight thousand, nine hundred eighty-eight".