232243009 has 2 divisors, whose sum is σ = 232243010. Its totient is φ = 232243008.

The previous prime is 232242977. The next prime is 232243031. The reversal of 232243009 is 900342232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149523984 + 82719025 = 12228^2 + 9095^2 .

It is a cyclic number.

It is not a de Polignac number, because 232243009 - 2⁵ = 232242977 is a prime.

It is not a weakly prime, because it can be changed into another prime (232243079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116121504 + 116121505.

It is an arithmetic number, because the mean of its divisors is an integer number (116121505).

Almost surely, 2^232243009 is an apocalyptic number.

It is an amenable number.

232243009 is a deficient number, since it is larger than the sum of its proper divisors (1).

232243009 is an equidigital number, since it uses as much as digits as its factorization.

232243009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 232243009 is about 15239.5212851323. The cubic root of 232243009 is about 614.6778306874.

The spelling of 232243009 in words is "two hundred thirty-two million, two hundred forty-three thousand, nine".