23918190892 has 6 divisors (see below), whose sum is σ = 41856834068. Its totient is φ = 11959095444.

The previous prime is 23918190883. The next prime is 23918190893. The reversal of 23918190892 is 29809181932.

It is a super-4 number, since 4×23918190892⁴ (a number of 43 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (23918190893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2989773858 + ... + 2989773865.

Almost surely, 2^23918190892 is an apocalyptic number.

It is an amenable number.

23918190892 is a deficient number, since it is larger than the sum of its proper divisors (17938643176).

23918190892 is a wasteful number, since it uses less digits than its factorization.

23918190892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5979547727 (or 5979547725 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 52.

The spelling of 23918190892 in words is "twenty-three billion, nine hundred eighteen million, one hundred ninety thousand, eight hundred ninety-two".