1137955923 has 60 divisors (see below), whose sum is σ = 1882450440. Its totient is φ = 660576384.

The previous prime is 1137955919. The next prime is 1137955937. The reversal of 1137955923 is 3295597311.

1137955923 is a `hidden beast` number, since 1 + 1 + 3 + 79 + 559 + 23 = 666.

It is not a de Polignac number, because 1137955923 - 2² = 1137955919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1137957923) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 4883815 + ... + 4884047.

It is an arithmetic number, because the mean of its divisors is an integer number (31374174).

Almost surely, 2^1137955923 is an apocalyptic number.

1137955923 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1137955923 is a deficient number, since it is larger than the sum of its proper divisors (744494517).

1137955923 is an equidigital number, since it uses as much as digits as its factorization.

1137955923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 268 counting only the distinct ones).

The product of its digits is 255150, while the sum is 45.

The square root of 1137955923 is about 33733.6022831835. The cubic root of 1137955923 is about 1044.0191870125.

The spelling of 1137955923 in words is "one billion, one hundred thirty-seven million, nine hundred fifty-five thousand, nine hundred twenty-three".