91752923 has 2 divisors, whose sum is σ = 91752924. Its totient is φ = 91752922.

The previous prime is 91752917. The next prime is 91752937. The reversal of 91752923 is 32925719.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91752923 - 2⁴ = 91752907 is a prime.

It is not a weakly prime, because it can be changed into another prime (91752943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45876461 + 45876462.

It is an arithmetic number, because the mean of its divisors is an integer number (45876462).

Almost surely, 2^91752923 is an apocalyptic number.

91752923 is a deficient number, since it is larger than the sum of its proper divisors (1).

91752923 is an equidigital number, since it uses as much as digits as its factorization.

91752923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 38.

The square root of 91752923 is about 9578.7746084768. The cubic root of 91752923 is about 451.0312530067.

The spelling of 91752923 in words is "ninety-one million, seven hundred fifty-two thousand, nine hundred twenty-three".