23104681 has 2 divisors, whose sum is σ = 23104682. Its totient is φ = 23104680.

The previous prime is 23104657. The next prime is 23104691. The reversal of 23104681 is 18640132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22278400 + 826281 = 4720^2 + 909^2 .

It is a cyclic number.

It is not a de Polignac number, because 23104681 - 2⁷ = 23104553 is a prime.

It is a super-2 number, since 2×23104681² = 1067652568223522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23104691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11552340 + 11552341.

It is an arithmetic number, because the mean of its divisors is an integer number (11552341).

Almost surely, 2^23104681 is an apocalyptic number.

It is an amenable number.

23104681 is a deficient number, since it is larger than the sum of its proper divisors (1).

23104681 is an equidigital number, since it uses as much as digits as its factorization.

23104681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 23104681 is about 4806.7328821144. The cubic root of 23104681 is about 284.8174926724.

The spelling of 23104681 in words is "twenty-three million, one hundred four thousand, six hundred eighty-one".