90520832523 has 32 divisors (see below), whose sum is σ = 134267777280. Its totient is φ = 53787893760.

The previous prime is 90520832489. The next prime is 90520832531. The reversal of 90520832523 is 32523802509.

It is not a de Polignac number, because 90520832523 - 2⁶ = 90520832459 is a prime.

It is a super-2 number, since 2×90520832523² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90520832573) 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 31 ways as a sum of consecutive naturals, for example, 210363 + ... + 474651.

It is an arithmetic number, because the mean of its divisors is an integer number (4195868040).

Almost surely, 2^90520832523 is an apocalyptic number.

90520832523 is a deficient number, since it is larger than the sum of its proper divisors (43746944757).

90520832523 is a wasteful number, since it uses less digits than its factorization.

90520832523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264507.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 90520832523 in words is "ninety billion, five hundred twenty million, eight hundred thirty-two thousand, five hundred twenty-three".