91445760023 has 8 divisors (see below), whose sum is σ = 91512571392. Its totient is φ = 91378978936.

The previous prime is 91445760013. The next prime is 91445760067. The reversal of 91445760023 is 32006754419.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 91445760023 - 2⁸ = 91445759767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91445760013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10595636 + ... + 10604262.

It is an arithmetic number, because the mean of its divisors is an integer number (11439071424).

Almost surely, 2^91445760023 is an apocalyptic number.

91445760023 is a deficient number, since it is larger than the sum of its proper divisors (66811369).

91445760023 is a wasteful number, since it uses less digits than its factorization.

91445760023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15141.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 91445760023 in words is "ninety-one billion, four hundred forty-five million, seven hundred sixty thousand, twenty-three".