23330321173 has 2 divisors, whose sum is σ = 23330321174. Its totient is φ = 23330321172.

The previous prime is 23330321171. The next prime is 23330321221. The reversal of 23330321173 is 37112303332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11996163729 + 11334157444 = 109527^2 + 106462^2 .

It is a cyclic number.

It is not a de Polignac number, because 23330321173 - 2¹ = 23330321171 is a prime.

Together with 23330321171, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23330321171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11665160586 + 11665160587.

It is an arithmetic number, because the mean of its divisors is an integer number (11665160587).

Almost surely, 2^23330321173 is an apocalyptic number.

It is an amenable number.

23330321173 is a deficient number, since it is larger than the sum of its proper divisors (1).

23330321173 is an equidigital number, since it uses as much as digits as its factorization.

23330321173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 28.

The spelling of 23330321173 in words is "twenty-three billion, three hundred thirty million, three hundred twenty-one thousand, one hundred seventy-three".