232350021 has 12 divisors (see below), whose sum is σ = 340215148. Its totient is φ = 152777664.

The previous prime is 232350011. The next prime is 232350029. The reversal of 232350021 is 120053232.

232350021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 40832100 + 191517921 = 6390^2 + 13839^2 .

It is not a de Polignac number, because 232350021 - 2⁵ = 232349989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232349976 and 232350003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232350029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176170 + ... + 177483.

Almost surely, 2^232350021 is an apocalyptic number.

It is an amenable number.

232350021 is a deficient number, since it is larger than the sum of its proper divisors (107865127).

232350021 is a wasteful number, since it uses less digits than its factorization.

232350021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353732 (or 353729 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 232350021 is about 15243.0318834542. The cubic root of 232350021 is about 614.7722257838.

The spelling of 232350021 in words is "two hundred thirty-two million, three hundred fifty thousand, twenty-one".