232431449 has 2 divisors, whose sum is σ = 232431450. Its totient is φ = 232431448.

The previous prime is 232431443. The next prime is 232431461. The reversal of 232431449 is 944134232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134560000 + 97871449 = 11600^2 + 9893^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232431449 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (232431443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116215724 + 116215725.

It is an arithmetic number, because the mean of its divisors is an integer number (116215725).

Almost surely, 2^232431449 is an apocalyptic number.

It is an amenable number.

232431449 is a deficient number, since it is larger than the sum of its proper divisors (1).

232431449 is an equidigital number, since it uses as much as digits as its factorization.

232431449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 32.

The square root of 232431449 is about 15245.7026404164. The cubic root of 232431449 is about 614.8440338629.

The spelling of 232431449 in words is "two hundred thirty-two million, four hundred thirty-one thousand, four hundred forty-nine".