23411681 has 2 divisors, whose sum is σ = 23411682. Its totient is φ = 23411680.

The previous prime is 23411659. The next prime is 23411693. The reversal of 23411681 is 18611432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13075456 + 10336225 = 3616^2 + 3215^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23411681 is a prime.

It is a super-2 number, since 2×23411681² = 1096213614491522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23411681.

It is not a weakly prime, because it can be changed into another prime (23411621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11705840 + 11705841.

It is an arithmetic number, because the mean of its divisors is an integer number (11705841).

Almost surely, 2^23411681 is an apocalyptic number.

It is an amenable number.

23411681 is a deficient number, since it is larger than the sum of its proper divisors (1).

23411681 is an equidigital number, since it uses as much as digits as its factorization.

23411681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 26.

The square root of 23411681 is about 4838.5618731189. The cubic root of 23411681 is about 286.0734362418.

The spelling of 23411681 in words is "twenty-three million, four hundred eleven thousand, six hundred eighty-one".