91946289522023 has 4 divisors (see below), whose sum is σ = 92759973500208. Its totient is φ = 91132605543840.

The previous prime is 91946289522007. The next prime is 91946289522049. The reversal of 91946289522023 is 32022598264919.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 91946289522023 - 2⁴ = 91946289522007 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 (91946289522083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406841988923 + ... + 406841989148.

It is an arithmetic number, because the mean of its divisors is an integer number (23189993375052).

Almost surely, 2^{91946289522023} is an apocalyptic number.

91946289522023 is a deficient number, since it is larger than the sum of its proper divisors (813683978185).

91946289522023 is a wasteful number, since it uses less digits than its factorization.

91946289522023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813683978184.

The product of its (nonzero) digits is 33592320, while the sum is 62.

The spelling of 91946289522023 in words is "ninety-one trillion, nine hundred forty-six billion, two hundred eighty-nine million, five hundred twenty-two thousand, twenty-three".