90791323 has 8 divisors (see below), whose sum is σ = 103907840. Its totient is φ = 77711400.

The previous prime is 90791287. The next prime is 90791333. The reversal of 90791323 is 32319709.

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-90791323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90791333) 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, 3603 + ... + 13948.

It is an arithmetic number, because the mean of its divisors is an integer number (12988480).

Almost surely, 2^90791323 is an apocalyptic number.

90791323 is a deficient number, since it is larger than the sum of its proper divisors (13116517).

90791323 is a wasteful number, since it uses less digits than its factorization.

90791323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18297.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 90791323 is about 9528.4480897993. The cubic root of 90791323 is about 449.4500656606.

The spelling of 90791323 in words is "ninety million, seven hundred ninety-one thousand, three hundred twenty-three".