23308811 has 2 divisors, whose sum is σ = 23308812. Its totient is φ = 23308810.

The previous prime is 23308783. The next prime is 23308829. The reversal of 23308811 is 11880332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23308811 - 2¹⁰ = 23307787 is a prime.

It is not a weakly prime, because it can be changed into another prime (23308841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11654405 + 11654406.

It is an arithmetic number, because the mean of its divisors is an integer number (11654406).

Almost surely, 2^23308811 is an apocalyptic number.

23308811 is a deficient number, since it is larger than the sum of its proper divisors (1).

23308811 is an equidigital number, since it uses as much as digits as its factorization.

23308811 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 26.

The square root of 23308811 is about 4827.9199454838. The cubic root of 23308811 is about 285.6538225985.

The spelling of 23308811 in words is "twenty-three million, three hundred eight thousand, eight hundred eleven".