1923231992 has 16 divisors (see below), whose sum is σ = 3933883800. Its totient is φ = 874196320.

The previous prime is 1923231979. The next prime is 1923232007. The reversal of 1923231992 is 2991323291.

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, 10927367 + ... + 10927542.

Almost surely, 2^1923231992 is an apocalyptic number.

It is an amenable number.

1923231992 is an abundant number, since it is smaller than the sum of its proper divisors (2010651808).

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

1923231992 is a wasteful number, since it uses less digits than its factorization.

1923231992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21854926 (or 21854922 counting only the distinct ones).

The product of its digits is 52488, while the sum is 41.

The square root of 1923231992 is about 43854.6689874636. The cubic root of 1923231992 is about 1243.5900107769.

The spelling of 1923231992 in words is "one billion, nine hundred twenty-three million, two hundred thirty-one thousand, nine hundred ninety-two".