23679645091 has 2 divisors, whose sum is σ = 23679645092. Its totient is φ = 23679645090.

The previous prime is 23679645061. The next prime is 23679645127. The reversal of 23679645091 is 19054697632.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23679645091 - 2⁹ = 23679644579 is a prime.

It is a super-3 number, since 3×23679645091³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (23679645061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11839822545 + 11839822546.

It is an arithmetic number, because the mean of its divisors is an integer number (11839822546).

Almost surely, 2^23679645091 is an apocalyptic number.

23679645091 is a deficient number, since it is larger than the sum of its proper divisors (1).

23679645091 is an equidigital number, since it uses as much as digits as its factorization.

23679645091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 52.

The spelling of 23679645091 in words is "twenty-three billion, six hundred seventy-nine million, six hundred forty-five thousand, ninety-one".