90522423 has 24 divisors (see below), whose sum is σ = 134417088. Its totient is φ = 58675392.

The previous prime is 90522407. The next prime is 90522431. The reversal of 90522423 is 32422509.

It is not a de Polignac number, because 90522423 - 2⁴ = 90522407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90522493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72561 + ... + 73797.

It is an arithmetic number, because the mean of its divisors is an integer number (5600712).

Almost surely, 2^90522423 is an apocalyptic number.

90522423 is a deficient number, since it is larger than the sum of its proper divisors (43894665).

90522423 is a wasteful number, since it uses less digits than its factorization.

90522423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463 (or 1460 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 90522423 is about 9514.3272489441. The cubic root of 90522423 is about 449.0059092844.

The spelling of 90522423 in words is "ninety million, five hundred twenty-two thousand, four hundred twenty-three".