23195700918 has 40 divisors (see below), whose sum is σ = 55973676528. Its totient is φ = 7137138096.

The previous prime is 23195700911. The next prime is 23195700967. The reversal of 23195700918 is 81900759132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23195700911) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5504946 + ... + 5509157.

Almost surely, 2^23195700918 is an apocalyptic number.

23195700918 is an abundant number, since it is smaller than the sum of its proper divisors (32777975610).

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

23195700918 is a wasteful number, since it uses less digits than its factorization.

23195700918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11014130 (or 11014121 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The spelling of 23195700918 in words is "twenty-three billion, one hundred ninety-five million, seven hundred thousand, nine hundred eighteen".