23976066091 has 2 divisors, whose sum is σ = 23976066092. Its totient is φ = 23976066090.

The previous prime is 23976066073. The next prime is 23976066113. The reversal of 23976066091 is 19066067932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23976066091 - 2³³ = 15386131499 is a prime.

It is not a weakly prime, because it can be changed into another prime (23976066011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11988033045 + 11988033046.

It is an arithmetic number, because the mean of its divisors is an integer number (11988033046).

Almost surely, 2^23976066091 is an apocalyptic number.

23976066091 is a deficient number, since it is larger than the sum of its proper divisors (1).

23976066091 is an equidigital number, since it uses as much as digits as its factorization.

23976066091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 49.

The spelling of 23976066091 in words is "twenty-three billion, nine hundred seventy-six million, sixty-six thousand, ninety-one".