90323811318 has 48 divisors (see below), whose sum is σ = 195691216896. Its totient is φ = 27780760800.

The previous prime is 90323811287. The next prime is 90323811373. The reversal of 90323811318 is 81311832309.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2708043 + ... + 2741193.

It is an arithmetic number, because the mean of its divisors is an integer number (4076900352).

Almost surely, 2^90323811318 is an apocalyptic number.

90323811318 is an abundant number, since it is smaller than the sum of its proper divisors (105367405578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90323811318 is a wasteful number, since it uses less digits than its factorization.

90323811318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35869 (or 35856 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The spelling of 90323811318 in words is "ninety billion, three hundred twenty-three million, eight hundred eleven thousand, three hundred eighteen".