23536893491047 has 2 divisors, whose sum is σ = 23536893491048. Its totient is φ = 23536893491046.

The previous prime is 23536893490997. The next prime is 23536893491101. The reversal of 23536893491047 is 74019439863532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23536893491047 - 2⁷ = 23536893490919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23536893491047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23536893491747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11768446745523 + 11768446745524.

It is an arithmetic number, because the mean of its divisors is an integer number (11768446745524).

It is a 1-persistent number, because it is pandigital, but 2⋅23536893491047 = 47073786982094 is not.

Almost surely, 2^{23536893491047} is an apocalyptic number.

23536893491047 is a deficient number, since it is larger than the sum of its proper divisors (1).

23536893491047 is an equidigital number, since it uses as much as digits as its factorization.

23536893491047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117573120, while the sum is 64.

The spelling of 23536893491047 in words is "twenty-three trillion, five hundred thirty-six billion, eight hundred ninety-three million, four hundred ninety-one thousand, forty-seven".