90832723 has 4 divisors (see below), whose sum is σ = 90921688. Its totient is φ = 90743760.

The previous prime is 90832639. The next prime is 90832783. The reversal of 90832723 is 32723809.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90832723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90832783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42933 + ... + 44998.

It is an arithmetic number, because the mean of its divisors is an integer number (22730422).

Almost surely, 2^90832723 is an apocalyptic number.

90832723 is a deficient number, since it is larger than the sum of its proper divisors (88965).

90832723 is a wasteful number, since it uses less digits than its factorization.

90832723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88964.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 90832723 is about 9530.6202841158. The cubic root of 90832723 is about 449.5183702980.

The spelling of 90832723 in words is "ninety million, eight hundred thirty-two thousand, seven hundred twenty-three".