90337523 has 16 divisors (see below), whose sum is σ = 95827200. Its totient is φ = 85034880.

The previous prime is 90337517. The next prime is 90337547. The reversal of 90337523 is 32573309.

It is a cyclic number.

It is not a de Polignac number, because 90337523 - 2¹⁴ = 90321139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90337523.

It is not an unprimeable number, because it can be changed into a prime (90337553) 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, 394373 + ... + 394601.

It is an arithmetic number, because the mean of its divisors is an integer number (5989200).

Almost surely, 2^90337523 is an apocalyptic number.

90337523 is a deficient number, since it is larger than the sum of its proper divisors (5489677).

90337523 is a wasteful number, since it uses less digits than its factorization.

90337523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542.

The product of its (nonzero) digits is 17010, while the sum is 32.

The square root of 90337523 is about 9504.6053574044. The cubic root of 90337523 is about 448.6999895645.

The spelling of 90337523 in words is "ninety million, three hundred thirty-seven thousand, five hundred twenty-three".