23020444169 has 2 divisors, whose sum is σ = 23020444170. Its totient is φ = 23020444168.

The previous prime is 23020444087. The next prime is 23020444177. The reversal of 23020444169 is 96144402032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22782883600 + 237560569 = 150940^2 + 15413^2 .

It is a cyclic number.

It is not a de Polignac number, because 23020444169 - 2¹² = 23020440073 is a prime.

It is a super-2 number, since 2×23020444169² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23020447169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11510222084 + 11510222085.

It is an arithmetic number, because the mean of its divisors is an integer number (11510222085).

Almost surely, 2^23020444169 is an apocalyptic number.

It is an amenable number.

23020444169 is a deficient number, since it is larger than the sum of its proper divisors (1).

23020444169 is an equidigital number, since it uses as much as digits as its factorization.

23020444169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 23020444169 in words is "twenty-three billion, twenty million, four hundred forty-four thousand, one hundred sixty-nine".