90010123 has 12 divisors (see below), whose sum is σ = 105122032. Its totient is φ = 75497040.

The previous prime is 90010117. The next prime is 90010127. The reversal of 90010123 is 32101009.

It is not a de Polignac number, because 90010123 - 2⁵ = 90010091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90010097 and 90010106.

It is not an unprimeable number, because it can be changed into a prime (90010127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12553 + ... + 18373.

Almost surely, 2^90010123 is an apocalyptic number.

90010123 is a deficient number, since it is larger than the sum of its proper divisors (15111909).

90010123 is an equidigital number, since it uses as much as digits as its factorization.

90010123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5922 (or 5875 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 90010123 is about 9487.3664944493. The cubic root of 90010123 is about 448.1572759740.

The spelling of 90010123 in words is "ninety million, ten thousand, one hundred twenty-three".