23468981 has 2 divisors, whose sum is σ = 23468982. Its totient is φ = 23468980.

The previous prime is 23468923. The next prime is 23468987. The reversal of 23468981 is 18986432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23280625 + 188356 = 4825^2 + 434^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23468981 is a prime.

It is a super-2 number, since 2×23468981² = 1101586138356722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23468987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11734490 + 11734491.

It is an arithmetic number, because the mean of its divisors is an integer number (11734491).

Almost surely, 2^23468981 is an apocalyptic number.

It is an amenable number.

23468981 is a deficient number, since it is larger than the sum of its proper divisors (1).

23468981 is an equidigital number, since it uses as much as digits as its factorization.

23468981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 41.

The square root of 23468981 is about 4844.4794353986. The cubic root of 23468981 is about 286.3066339765.

The spelling of 23468981 in words is "twenty-three million, four hundred sixty-eight thousand, nine hundred eighty-one".