232232021009 has 2 divisors, whose sum is σ = 232232021010. Its totient is φ = 232232021008.

The previous prime is 232232021003. The next prime is 232232021011. The reversal of 232232021009 is 900120232232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227078934784 + 5153086225 = 476528^2 + 71785^2 .

It is a cyclic number.

It is not a de Polignac number, because 232232021009 - 2⁸ = 232232020753 is a prime.

It is a Sophie Germain prime.

Together with 232232021011, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (232232021003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116116010504 + 116116010505.

It is an arithmetic number, because the mean of its divisors is an integer number (116116010505).

Almost surely, 2^232232021009 is an apocalyptic number.

It is an amenable number.

232232021009 is a deficient number, since it is larger than the sum of its proper divisors (1).

232232021009 is an equidigital number, since it uses as much as digits as its factorization.

232232021009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 232232021009 in words is "two hundred thirty-two billion, two hundred thirty-two million, twenty-one thousand, nine".