23169123973 has 2 divisors, whose sum is σ = 23169123974. Its totient is φ = 23169123972.

The previous prime is 23169123959. The next prime is 23169123979. The reversal of 23169123973 is 37932196132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14568972804 + 8600151169 = 120702^2 + 92737^2 .

It is a cyclic number.

It is not a de Polignac number, because 23169123973 - 2²¹ = 23167026821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23169123979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11584561986 + 11584561987.

It is an arithmetic number, because the mean of its divisors is an integer number (11584561987).

Almost surely, 2^23169123973 is an apocalyptic number.

It is an amenable number.

23169123973 is a deficient number, since it is larger than the sum of its proper divisors (1).

23169123973 is an equidigital number, since it uses as much as digits as its factorization.

23169123973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 367416, while the sum is 46.

The spelling of 23169123973 in words is "twenty-three billion, one hundred sixty-nine million, one hundred twenty-three thousand, nine hundred seventy-three".