91305414323 has 4 divisors (see below), whose sum is σ = 91697283288. Its totient is φ = 90913545360.

The previous prime is 91305414313. The next prime is 91305414349. The reversal of 91305414323 is 32341450319.

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 91305414323 - 2¹⁸ = 91305152179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91305414313) 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 3 ways as a sum of consecutive naturals, for example, 195934133 + ... + 195934598.

It is an arithmetic number, because the mean of its divisors is an integer number (22924320822).

Almost surely, 2^91305414323 is an apocalyptic number.

91305414323 is a deficient number, since it is larger than the sum of its proper divisors (391868965).

91305414323 is a wasteful number, since it uses less digits than its factorization.

91305414323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391868964.

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 91305414323 in words is "ninety-one billion, three hundred five million, four hundred fourteen thousand, three hundred twenty-three".