91323443 has 8 divisors (see below), whose sum is σ = 98366400. Its totient is φ = 84504168.

The previous prime is 91323391. The next prime is 91323451. The reversal of 91323443 is 34432319.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91323443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91323343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55073 + ... + 56706.

It is an arithmetic number, because the mean of its divisors is an integer number (12295800).

Almost surely, 2^91323443 is an apocalyptic number.

91323443 is a deficient number, since it is larger than the sum of its proper divisors (7042957).

91323443 is a wasteful number, since it uses less digits than its factorization.

91323443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111841.

The product of its digits is 7776, while the sum is 29.

The square root of 91323443 is about 9556.3299963951. The cubic root of 91323443 is about 450.3264183114.

The spelling of 91323443 in words is "ninety-one million, three hundred twenty-three thousand, four hundred forty-three".