232447997 has 2 divisors, whose sum is σ = 232447998. Its totient is φ = 232447996.

The previous prime is 232447979. The next prime is 232448017. The reversal of 232447997 is 799744232.

Together with previous prime (232447979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225420196 + 7027801 = 15014^2 + 2651^2 .

It is a cyclic number.

It is not a de Polignac number, because 232447997 - 2²⁶ = 165339133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232447907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116223998 + 116223999.

It is an arithmetic number, because the mean of its divisors is an integer number (116223999).

Almost surely, 2^232447997 is an apocalyptic number.

It is an amenable number.

232447997 is a deficient number, since it is larger than the sum of its proper divisors (1).

232447997 is an equidigital number, since it uses as much as digits as its factorization.

232447997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 47.

The square root of 232447997 is about 15246.2453410668. The cubic root of 232447997 is about 614.8586248282.

The spelling of 232447997 in words is "two hundred thirty-two million, four hundred forty-seven thousand, nine hundred ninety-seven".