232640167 has 2 divisors, whose sum is σ = 232640168. Its totient is φ = 232640166.

The previous prime is 232640143. The next prime is 232640179. The reversal of 232640167 is 761046232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232640167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232640137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116320083 + 116320084.

It is an arithmetic number, because the mean of its divisors is an integer number (116320084).

Almost surely, 2^232640167 is an apocalyptic number.

232640167 is a deficient number, since it is larger than the sum of its proper divisors (1).

232640167 is an equidigital number, since it uses as much as digits as its factorization.

232640167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 232640167 is about 15252.5462464469. The cubic root of 232640167 is about 615.0280173192.

Adding to 232640167 its reverse (761046232), we get a palindrome (993686399).

The spelling of 232640167 in words is "two hundred thirty-two million, six hundred forty thousand, one hundred sixty-seven".