232623653 has 4 divisors (see below), whose sum is σ = 232964928. Its totient is φ = 232282380.

The previous prime is 232623649. The next prime is 232623667. The reversal of 232623653 is 356326232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 232623653 - 2² = 232623649 is a prime.

It is a super-2 number, since 2×232623653² = 108227527870128818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232623613) 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, 169613 + ... + 170978.

It is an arithmetic number, because the mean of its divisors is an integer number (58241232).

Almost surely, 2^232623653 is an apocalyptic number.

It is an amenable number.

232623653 is a deficient number, since it is larger than the sum of its proper divisors (341275).

232623653 is an equidigital number, since it uses as much as digits as its factorization.

232623653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341274.

The product of its digits is 38880, while the sum is 32.

The square root of 232623653 is about 15252.0048846045. The cubic root of 232623653 is about 615.0134643537.

Adding to 232623653 its reverse (356326232), we get a palindrome (588949885).

The spelling of 232623653 in words is "two hundred thirty-two million, six hundred twenty-three thousand, six hundred fifty-three".