23104274581 has 2 divisors, whose sum is σ = 23104274582. Its totient is φ = 23104274580.

The previous prime is 23104274537. The next prime is 23104274597. The reversal of 23104274581 is 18547240132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18072500356 + 5031774225 = 134434^2 + 70935^2 .

It is a cyclic number.

It is not a de Polignac number, because 23104274581 - 2¹¹ = 23104272533 is a prime.

It is a super-2 number, since 2×23104274581² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23104274581.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23104274981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11552137290 + 11552137291.

It is an arithmetic number, because the mean of its divisors is an integer number (11552137291).

Almost surely, 2^23104274581 is an apocalyptic number.

It is an amenable number.

23104274581 is a deficient number, since it is larger than the sum of its proper divisors (1).

23104274581 is an equidigital number, since it uses as much as digits as its factorization.

23104274581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 37.

The spelling of 23104274581 in words is "twenty-three billion, one hundred four million, two hundred seventy-four thousand, five hundred eighty-one".