232230809 has 2 divisors, whose sum is σ = 232230810. Its totient is φ = 232230808.

The previous prime is 232230797. The next prime is 232230821. The reversal of 232230809 is 908032232.

It is a balanced prime because it is at equal distance from previous prime (232230797) and next prime (232230821).

It can be written as a sum of positive squares in only one way, i.e., 222010000 + 10220809 = 14900^2 + 3197^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232230809 is a prime.

It is a super-2 number, since 2×232230809² = 107862297297588962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (232230899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116115404 + 116115405.

It is an arithmetic number, because the mean of its divisors is an integer number (116115405).

Almost surely, 2^232230809 is an apocalyptic number.

It is an amenable number.

232230809 is a deficient number, since it is larger than the sum of its proper divisors (1).

232230809 is an equidigital number, since it uses as much as digits as its factorization.

232230809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 232230809 is about 15239.1210048349. The cubic root of 232230809 is about 614.6670672477.

The spelling of 232230809 in words is "two hundred thirty-two million, two hundred thirty thousand, eight hundred nine".