232688663 has 4 divisors (see below), whose sum is σ = 240712440. Its totient is φ = 224664888.

The previous prime is 232688657. The next prime is 232688669. The reversal of 232688663 is 366886232.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (232688657) and next prime (232688669).

It is a cyclic number.

It is not a de Polignac number, because 232688663 - 2²² = 228494359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232688669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4011845 + ... + 4011902.

It is an arithmetic number, because the mean of its divisors is an integer number (60178110).

Almost surely, 2^232688663 is an apocalyptic number.

232688663 is a deficient number, since it is larger than the sum of its proper divisors (8023777).

232688663 is an equidigital number, since it uses as much as digits as its factorization.

232688663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8023776.

The product of its digits is 497664, while the sum is 44.

The square root of 232688663 is about 15254.1359309533. The cubic root of 232688663 is about 615.0707504477.

The spelling of 232688663 in words is "two hundred thirty-two million, six hundred eighty-eight thousand, six hundred sixty-three".