23268691 has 2 divisors, whose sum is σ = 23268692. Its totient is φ = 23268690.

The previous prime is 23268653. The next prime is 23268697. The reversal of 23268691 is 19686232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23268691 - 2¹³ = 23260499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23268691.

It is not a weakly prime, because it can be changed into another prime (23268697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11634345 + 11634346.

It is an arithmetic number, because the mean of its divisors is an integer number (11634346).

Almost surely, 2^23268691 is an apocalyptic number.

23268691 is a deficient number, since it is larger than the sum of its proper divisors (1).

23268691 is an equidigital number, since it uses as much as digits as its factorization.

23268691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 37.

The square root of 23268691 is about 4823.7631575358. The cubic root of 23268691 is about 285.4898357835.

The spelling of 23268691 in words is "twenty-three million, two hundred sixty-eight thousand, six hundred ninety-one".