23573447189 has 2 divisors, whose sum is σ = 23573447190. Its totient is φ = 23573447188.

The previous prime is 23573447119. The next prime is 23573447203. The reversal of 23573447189 is 98174437532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13232591089 + 10340856100 = 115033^2 + 101690^2 .

It is a cyclic number.

It is not a de Polignac number, because 23573447189 - 2²⁰ = 23572398613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23573447189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23573447119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11786723594 + 11786723595.

It is an arithmetic number, because the mean of its divisors is an integer number (11786723595).

Almost surely, 2^23573447189 is an apocalyptic number.

It is an amenable number.

23573447189 is a deficient number, since it is larger than the sum of its proper divisors (1).

23573447189 is an equidigital number, since it uses as much as digits as its factorization.

23573447189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5080320, while the sum is 53.

The spelling of 23573447189 in words is "twenty-three billion, five hundred seventy-three million, four hundred forty-seven thousand, one hundred eighty-nine".