90474423 has 16 divisors (see below), whose sum is σ = 130131456. Its totient is φ = 55582560.

The previous prime is 90474383. The next prime is 90474427. The reversal of 90474423 is 32447409.

It is not a de Polignac number, because 90474423 - 2⁶ = 90474359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90474427) 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, 26758 + ... + 29948.

It is an arithmetic number, because the mean of its divisors is an integer number (8133216).

Almost surely, 2^90474423 is an apocalyptic number.

90474423 is a deficient number, since it is larger than the sum of its proper divisors (39657033).

90474423 is a wasteful number, since it uses less digits than its factorization.

90474423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3934.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 90474423 is about 9511.8044029511. The cubic root of 90474423 is about 448.9265326561.

The spelling of 90474423 in words is "ninety million, four hundred seventy-four thousand, four hundred twenty-three".