23812091 has 2 divisors, whose sum is σ = 23812092. Its totient is φ = 23812090.

The previous prime is 23812079. The next prime is 23812097. The reversal of 23812091 is 19021832.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23812091 is a prime.

It is a Sophie Germain prime.

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 23812091.

It is not a weakly prime, because it can be changed into another prime (23812097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11906045 + 11906046.

It is an arithmetic number, because the mean of its divisors is an integer number (11906046).

Almost surely, 2^23812091 is an apocalyptic number.

23812091 is a deficient number, since it is larger than the sum of its proper divisors (1).

23812091 is an equidigital number, since it uses as much as digits as its factorization.

23812091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 23812091 is about 4879.7634163963. The cubic root of 23812091 is about 287.6951305440.

The spelling of 23812091 in words is "twenty-three million, eight hundred twelve thousand, ninety-one".