91934023 has 2 divisors, whose sum is σ = 91934024. Its totient is φ = 91934022.

The previous prime is 91933999. The next prime is 91934033. The reversal of 91934023 is 32043919.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 91934023 - 2¹³ = 91925831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91934033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45967011 + 45967012.

It is an arithmetic number, because the mean of its divisors is an integer number (45967012).

Almost surely, 2^91934023 is an apocalyptic number.

91934023 is a deficient number, since it is larger than the sum of its proper divisors (1).

91934023 is an equidigital number, since it uses as much as digits as its factorization.

91934023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 91934023 is about 9588.2231409162. The cubic root of 91934023 is about 451.3278033345.

The spelling of 91934023 in words is "ninety-one million, nine hundred thirty-four thousand, twenty-three".