1992723056 has 20 divisors (see below), whose sum is σ = 3862022904. Its totient is φ = 996072000.

The previous prime is 1992723001. The next prime is 1992723077. The reversal of 1992723056 is 6503272991.

It is a junction number, because it is equal to n+sod(n) for n = 1992722998 and 1992723016.

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, 45446 + ... + 77786.

Almost surely, 2^1992723056 is an apocalyptic number.

1992723056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1992723056 is a deficient number, since it is larger than the sum of its proper divisors (1869299848).

1992723056 is a wasteful number, since it uses less digits than its factorization.

1992723056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36200 (or 36194 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 1992723056 is about 44639.9267024488. The cubic root of 1992723056 is about 1258.3911303813.

The spelling of 1992723056 in words is "one billion, nine hundred ninety-two million, seven hundred twenty-three thousand, fifty-six".