91930475023 has 8 divisors (see below), whose sum is σ = 92893998960. Its totient is φ = 90967996800.

The previous prime is 91930475011. The next prime is 91930475029. The reversal of 91930475023 is 32057403919.

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 91930475023 - 2⁹ = 91930474511 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 (91930475029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84058 + ... + 436951.

It is an arithmetic number, because the mean of its divisors is an integer number (11611749870).

Almost surely, 2^91930475023 is an apocalyptic number.

91930475023 is a deficient number, since it is larger than the sum of its proper divisors (963523937).

91930475023 is a wasteful number, since it uses less digits than its factorization.

91930475023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522857.

The product of its (nonzero) digits is 204120, while the sum is 43.

The spelling of 91930475023 in words is "ninety-one billion, nine hundred thirty million, four hundred seventy-five thousand, twenty-three".