232631643 has 8 divisors (see below), whose sum is σ = 311542848. Its totient is φ = 154404104.

The previous prime is 232631563. The next prime is 232631741. The reversal of 232631643 is 346136232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 232631643 - 2¹⁷ = 232500571 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 232631643.

It is not an unprimeable number, because it can be changed into a prime (232631743) 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 7 ways as a sum of consecutive naturals, for example, 170121 + ... + 171482.

It is an arithmetic number, because the mean of its divisors is an integer number (38942856).

Almost surely, 2^232631643 is an apocalyptic number.

232631643 is a deficient number, since it is larger than the sum of its proper divisors (78911205).

232631643 is a wasteful number, since it uses less digits than its factorization.

232631643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341833.

The product of its digits is 15552, while the sum is 30.

The square root of 232631643 is about 15252.2668151328. The cubic root of 232631643 is about 615.0205056287.

Adding to 232631643 its reverse (346136232), we get a palindrome (578767875).

The spelling of 232631643 in words is "two hundred thirty-two million, six hundred thirty-one thousand, six hundred forty-three".