232643151 has 32 divisors (see below), whose sum is σ = 375049920. Its totient is φ = 141668352.

The previous prime is 232643149. The next prime is 232643153. The reversal of 232643151 is 151346232.

232643151 is a `hidden beast` number, since 2 + 3 + 2 + 643 + 15 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (232643149) and next prime (232643153).

It is not a de Polignac number, because 232643151 - 2¹ = 232643149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232643153) 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 in 31 ways as a sum of consecutive naturals, for example, 30631 + ... + 37463.

It is an arithmetic number, because the mean of its divisors is an integer number (11720310).

Almost surely, 2^232643151 is an apocalyptic number.

232643151 is a deficient number, since it is larger than the sum of its proper divisors (142406769).

232643151 is a wasteful number, since it uses less digits than its factorization.

232643151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6952 (or 6946 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 232643151 is about 15252.6440658661. The cubic root of 232643151 is about 615.0306468963.

Adding to 232643151 its reverse (151346232), we get a palindrome (383989383).

The spelling of 232643151 in words is "two hundred thirty-two million, six hundred forty-three thousand, one hundred fifty-one".