90792023 has 4 divisors (see below), whose sum is σ = 103762320. Its totient is φ = 77821728.

The previous prime is 90792007. The next prime is 90792047. The reversal of 90792023 is 32029709.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32029709 = 593 ⋅54013.

It is a cyclic number.

It is not a de Polignac number, because 90792023 - 2⁴ = 90792007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90792083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6485138 + ... + 6485151.

It is an arithmetic number, because the mean of its divisors is an integer number (25940580).

Almost surely, 2^90792023 is an apocalyptic number.

90792023 is a deficient number, since it is larger than the sum of its proper divisors (12970297).

90792023 is a wasteful number, since it uses less digits than its factorization.

90792023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12970296.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 90792023 is about 9528.4848218381. The cubic root of 90792023 is about 449.4512207425.

The spelling of 90792023 in words is "ninety million, seven hundred ninety-two thousand, twenty-three".