1231233297 has 16 divisors (see below), whose sum is σ = 1876700160. Its totient is φ = 703361232.

The previous prime is 1231233277. The next prime is 1231233323. The reversal of 1231233297 is 7923321321.

It is not a de Polignac number, because 1231233297 - 2¹⁰ = 1231232273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1231233277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99204 + ... + 110922.

It is an arithmetic number, because the mean of its divisors is an integer number (117293760).

Almost surely, 2^1231233297 is an apocalyptic number.

It is an amenable number.

1231233297 is a deficient number, since it is larger than the sum of its proper divisors (645466863).

1231233297 is a wasteful number, since it uses less digits than its factorization.

1231233297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16732.

The product of its digits is 13608, while the sum is 33.

The square root of 1231233297 is about 35088.9341103431. The cubic root of 1231233297 is about 1071.7992544876.

The spelling of 1231233297 in words is "one billion, two hundred thirty-one million, two hundred thirty-three thousand, two hundred ninety-seven".