232021322009 has 2 divisors, whose sum is σ = 232021322010. Its totient is φ = 232021322008.

The previous prime is 232021321999. The next prime is 232021322011. The reversal of 232021322009 is 900223120232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118179187984 + 113842134025 = 343772^2 + 337405^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232021322009 is a prime.

Together with 232021322011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (232021321009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116010661004 + 116010661005.

It is an arithmetic number, because the mean of its divisors is an integer number (116010661005).

Almost surely, 2^232021322009 is an apocalyptic number.

It is an amenable number.

232021322009 is a deficient number, since it is larger than the sum of its proper divisors (1).

232021322009 is an equidigital number, since it uses as much as digits as its factorization.

232021322009 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 232021322009 in words is "two hundred thirty-two billion, twenty-one million, three hundred twenty-two thousand, nine".