23321221311373 has 2 divisors, whose sum is σ = 23321221311374. Its totient is φ = 23321221311372.

The previous prime is 23321221311341. The next prime is 23321221311431. The reversal of 23321221311373 is 37311312212332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14785463064969 + 8535758246404 = 3845187^2 + 2921602^2 .

It is a cyclic number.

It is not a de Polignac number, because 23321221311373 - 2⁵ = 23321221311341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23321221311313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11660610655686 + 11660610655687.

It is an arithmetic number, because the mean of its divisors is an integer number (11660610655687).

Almost surely, 2^{23321221311373} is an apocalyptic number.

It is an amenable number.

23321221311373 is a deficient number, since it is larger than the sum of its proper divisors (1).

23321221311373 is an equidigital number, since it uses as much as digits as its factorization.

23321221311373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 34.

The spelling of 23321221311373 in words is "twenty-three trillion, three hundred twenty-one billion, two hundred twenty-one million, three hundred eleven thousand, three hundred seventy-three".