232643669 has 2 divisors, whose sum is σ = 232643670. Its totient is φ = 232643668.

The previous prime is 232643651. The next prime is 232643687. The reversal of 232643669 is 966346232.

It is a balanced prime because it is at equal distance from previous prime (232643651) and next prime (232643687).

It can be written as a sum of positive squares in only one way, i.e., 222159025 + 10484644 = 14905^2 + 3238^2 .

It is a cyclic number.

It is not a de Polignac number, because 232643669 - 2¹² = 232639573 is a prime.

It is a super-2 number, since 2×232643669² = 108246153451563122, which contains 22 as substring.

It is a Chen prime.

It is a nialpdrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232643629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116321834 + 116321835.

It is an arithmetic number, because the mean of its divisors is an integer number (116321835).

Almost surely, 2^232643669 is an apocalyptic number.

It is an amenable number.

232643669 is a deficient number, since it is larger than the sum of its proper divisors (1).

232643669 is an equidigital number, since it uses as much as digits as its factorization.

232643669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 41.

The square root of 232643669 is about 15252.6610465191. The cubic root of 232643669 is about 615.0311033689.

The spelling of 232643669 in words is "two hundred thirty-two million, six hundred forty-three thousand, six hundred sixty-nine".