23613691 has 2 divisors, whose sum is σ = 23613692. Its totient is φ = 23613690.

The previous prime is 23613679. The next prime is 23613703. The reversal of 23613691 is 19631632.

It is a balanced prime because it is at equal distance from previous prime (23613679) and next prime (23613703).

It is a cyclic number.

It is not a de Polignac number, because 23613691 - 2⁷ = 23613563 is a prime.

It is not a weakly prime, because it can be changed into another prime (23613631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11806845 + 11806846.

It is an arithmetic number, because the mean of its divisors is an integer number (11806846).

Almost surely, 2^23613691 is an apocalyptic number.

23613691 is a deficient number, since it is larger than the sum of its proper divisors (1).

23613691 is an equidigital number, since it uses as much as digits as its factorization.

23613691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 31.

The square root of 23613691 is about 4859.3920401630. The cubic root of 23613691 is about 286.8938852645.

The spelling of 23613691 in words is "twenty-three million, six hundred thirteen thousand, six hundred ninety-one".