1231233296 has 20 divisors (see below), whose sum is σ = 2525839452. Its totient is φ = 579403776.

The previous prime is 1231233277. The next prime is 1231233323. The reversal of 1231233296 is 6923321321.

It can be written as a sum of positive squares in 2 ways, for example, as 1073479696 + 157753600 = 32764^2 + 12560^2 .

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, 2263025 + ... + 2263568.

Almost surely, 2^1231233296 is an apocalyptic number.

1231233296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1231233296 is an abundant number, since it is smaller than the sum of its proper divisors (1294606156).

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

1231233296 is a wasteful number, since it uses less digits than its factorization.

1231233296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4526618 (or 4526612 counting only the distinct ones).

The product of its digits is 11664, while the sum is 32.

The square root of 1231233296 is about 35088.9340960936. The cubic root of 1231233296 is about 1071.7992541974.

The spelling of 1231233296 in words is "one billion, two hundred thirty-one million, two hundred thirty-three thousand, two hundred ninety-six".