90084423 has 16 divisors (see below), whose sum is σ = 141111936. Its totient is φ = 50396640.

The previous prime is 90084413. The next prime is 90084427. The reversal of 90084423 is 32448009.

It is a happy number.

It is not a de Polignac number, because 90084423 - 2⁶ = 90084359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90084427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104565 + ... + 105422.

It is an arithmetic number, because the mean of its divisors is an integer number (8819496).

Almost surely, 2^90084423 is an apocalyptic number.

90084423 is a deficient number, since it is larger than the sum of its proper divisors (51027513).

90084423 is a wasteful number, since it uses less digits than its factorization.

90084423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210014.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 90084423 is about 9491.2814203352. The cubic root of 90084423 is about 448.2805544328.

It can be divided in two parts, 9008 and 4423, that added together give a palindrome (13431).

The spelling of 90084423 in words is "ninety million, eighty-four thousand, four hundred twenty-three".