232163551 has 2 divisors, whose sum is σ = 232163552. Its totient is φ = 232163550.

The previous prime is 232163497. The next prime is 232163599. The reversal of 232163551 is 155361232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 232163551 - 2⁷ = 232163423 is a prime.

It is equal to p_12755035 and since 232163551 and 12755035 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232163051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116081775 + 116081776.

It is an arithmetic number, because the mean of its divisors is an integer number (116081776).

Almost surely, 2^232163551 is an apocalyptic number.

232163551 is a deficient number, since it is larger than the sum of its proper divisors (1).

232163551 is an equidigital number, since it uses as much as digits as its factorization.

232163551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 28.

The square root of 232163551 is about 15236.9140904581. The cubic root of 232163551 is about 614.6077221656.

The spelling of 232163551 in words is "two hundred thirty-two million, one hundred sixty-three thousand, five hundred fifty-one".