1183231996 has 48 divisors (see below), whose sum is σ = 2150626464. Its totient is φ = 569327616.

The previous prime is 1183231939. The next prime is 1183232021. The reversal of 1183231996 is 6991323811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3351756 + ... + 3352108.

It is an arithmetic number, because the mean of its divisors is an integer number (44804718).

Almost surely, 2^1183231996 is an apocalyptic number.

It is an amenable number.

1183231996 is a deficient number, since it is larger than the sum of its proper divisors (967394468).

1183231996 is a wasteful number, since it uses less digits than its factorization.

1183231996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670 (or 668 counting only the distinct ones).

The product of its digits is 69984, while the sum is 43.

The square root of 1183231996 is about 34398.1394264283. The cubic root of 1183231996 is about 1057.6857056031.

The spelling of 1183231996 in words is "one billion, one hundred eighty-three million, two hundred thirty-one thousand, nine hundred ninety-six".