1232437231 has 2 divisors, whose sum is σ = 1232437232. Its totient is φ = 1232437230.

The previous prime is 1232437211. The next prime is 1232437247. The reversal of 1232437231 is 1327342321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1232437231 - 2⁷ = 1232437103 is a prime.

It is a super-2 number, since 2×1232437231² = 3037803056709894722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1232437231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232437211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616218615 + 616218616.

It is an arithmetic number, because the mean of its divisors is an integer number (616218616).

Almost surely, 2^1232437231 is an apocalyptic number.

1232437231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232437231 is an equidigital number, since it uses as much as digits as its factorization.

1232437231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 28.

The square root of 1232437231 is about 35106.0853841610. The cubic root of 1232437231 is about 1072.1484856763.

Adding to 1232437231 its reverse (1327342321), we get a palindrome (2559779552).

The spelling of 1232437231 in words is "one billion, two hundred thirty-two million, four hundred thirty-seven thousand, two hundred thirty-one".