90106323 has 4 divisors (see below), whose sum is σ = 120141768. Its totient is φ = 60070880.

The previous prime is 90106321. The next prime is 90106327. The reversal of 90106323 is 32360109.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32360109 = 3 ⋅10786703.

It is a cyclic number.

It is not a de Polignac number, because 90106323 - 2¹ = 90106321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90106293 and 90106302.

It is not an unprimeable number, because it can be changed into a prime (90106321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15017718 + ... + 15017723.

It is an arithmetic number, because the mean of its divisors is an integer number (30035442).

Almost surely, 2^90106323 is an apocalyptic number.

90106323 is a deficient number, since it is larger than the sum of its proper divisors (30035445).

90106323 is a wasteful number, since it uses less digits than its factorization.

90106323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30035444.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 90106323 is about 9492.4350405994. The cubic root of 90106323 is about 448.3168779479.

The spelling of 90106323 in words is "ninety million, one hundred six thousand, three hundred twenty-three".