232653021 has 4 divisors (see below), whose sum is σ = 310204032. Its totient is φ = 155102012.

The previous prime is 232653017. The next prime is 232653037. The reversal of 232653021 is 120356232.

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 232653021 - 2² = 232653017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 232652982 and 232653000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232653061) 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, 38775501 + ... + 38775506.

It is an arithmetic number, because the mean of its divisors is an integer number (77551008).

Almost surely, 2^232653021 is an apocalyptic number.

It is an amenable number.

232653021 is a deficient number, since it is larger than the sum of its proper divisors (77551011).

232653021 is an equidigital number, since it uses as much as digits as its factorization.

232653021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77551010.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 232653021 is about 15252.9676128942. The cubic root of 232653021 is about 615.0393444325.

The spelling of 232653021 in words is "two hundred thirty-two million, six hundred fifty-three thousand, twenty-one".