22523000122320 has 80 divisors (see below), whose sum is σ = 71306859997440. Its totient is φ = 5878343291392.

The previous prime is 22523000122303. The next prime is 22523000122361. The reversal of 22523000122320 is 2322100032522.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 998348655 + ... + 998371214.

It is an arithmetic number, because the mean of its divisors is an integer number (891335749968).

Almost surely, 2^{22523000122320} is an apocalyptic number.

22523000122320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22523000122320 is an abundant number, since it is smaller than the sum of its proper divisors (48783859875120).

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

22523000122320 is a wasteful number, since it uses less digits than its factorization.

22523000122320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996719932 (or 1996719926 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 22523000122320 its reverse (2322100032522), we get a palindrome (24845100154842).

The spelling of 22523000122320 in words is "twenty-two trillion, five hundred twenty-three billion, one hundred twenty-two thousand, three hundred twenty".