1232433231 has 16 divisors (see below), whose sum is σ = 1677954144. Its totient is φ = 804432384.

The previous prime is 1232433211. The next prime is 1232433253. The reversal of 1232433231 is 1323342321.

It is not a de Polignac number, because 1232433231 - 2⁵ = 1232433199 is a prime.

It is a super-2 number, since 2×1232433231² = 3037783337746198722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232433211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9465 + ... + 50541.

It is an arithmetic number, because the mean of its divisors is an integer number (104872134).

Almost surely, 2^1232433231 is an apocalyptic number.

1232433231 is a deficient number, since it is larger than the sum of its proper divisors (445520913).

1232433231 is a wasteful number, since it uses less digits than its factorization.

1232433231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41290.

The product of its digits is 2592, while the sum is 24.

The square root of 1232433231 is about 35106.0284139348. The cubic root of 1232433231 is about 1072.1473257529.

Adding to 1232433231 its reverse (1323342321), we get a palindrome (2555775552).

The spelling of 1232433231 in words is "one billion, two hundred thirty-two million, four hundred thirty-three thousand, two hundred thirty-one".