90938501723 has 8 divisors (see below), whose sum is σ = 94896895488. Its totient is φ = 86980486824.

The previous prime is 90938501713. The next prime is 90938501747. The reversal of 90938501723 is 32710583909.

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

It is a cyclic number.

It is not a de Polignac number, because 90938501723 - 2²⁰ = 90937453147 is a prime.

It is a super-2 number, since 2×90938501723² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90938501713) 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, 466640 + ... + 632162.

It is an arithmetic number, because the mean of its divisors is an integer number (11862111936).

Almost surely, 2^90938501723 is an apocalyptic number.

90938501723 is a deficient number, since it is larger than the sum of its proper divisors (3958393765).

90938501723 is a wasteful number, since it uses less digits than its factorization.

90938501723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189433.

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 90938501723 in words is "ninety billion, nine hundred thirty-eight million, five hundred one thousand, seven hundred twenty-three".