11323320090 has 32 divisors (see below), whose sum is σ = 28052614656. Its totient is φ = 2922146880.

The previous prime is 11323320089. The next prime is 11323320103. The reversal of 11323320090 is 9002332311.

It is a self number, because there is not a number n which added to its sum of digits gives 11323320090.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6086877 + ... + 6088736.

It is an arithmetic number, because the mean of its divisors is an integer number (876644208).

Almost surely, 2^11323320090 is an apocalyptic number.

11323320090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11323320090 is an abundant number, since it is smaller than the sum of its proper divisors (16729294566).

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

11323320090 is a wasteful number, since it uses less digits than its factorization.

11323320090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12175654.

The product of its (nonzero) digits is 972, while the sum is 24.

The spelling of 11323320090 in words is "eleven billion, three hundred twenty-three million, three hundred twenty thousand, ninety".