23104381 has 2 divisors, whose sum is σ = 23104382. Its totient is φ = 23104380.

The previous prime is 23104349. The next prime is 23104409. The reversal of 23104381 is 18340132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18567481 + 4536900 = 4309^2 + 2130^2 .

It is a cyclic number.

It is not a de Polignac number, because 23104381 - 2⁵ = 23104349 is a prime.

It is a super-2 number, since 2×23104381² = 1067624842786322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23104681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11552190 + 11552191.

It is an arithmetic number, because the mean of its divisors is an integer number (11552191).

Almost surely, 2^23104381 is an apocalyptic number.

It is an amenable number.

23104381 is a deficient number, since it is larger than the sum of its proper divisors (1).

23104381 is an equidigital number, since it uses as much as digits as its factorization.

23104381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 23104381 is about 4806.7016757856. The cubic root of 23104381 is about 284.8162599407.

The spelling of 23104381 in words is "twenty-three million, one hundred four thousand, three hundred eighty-one".