23323121302220 has 48 divisors (see below), whose sum is σ = 49024735673088. Its totient is φ = 9320456134080.

The previous prime is 23323121302157. The next prime is 23323121302241. The reversal of 23323121302220 is 2220312132332.

It is a self number, because there is not a number n which added to its sum of digits gives 23323121302220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95298929 + ... + 95543351.

It is an arithmetic number, because the mean of its divisors is an integer number (1021348659856).

Almost surely, 2^{23323121302220} is an apocalyptic number.

23323121302220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23323121302220 is an abundant number, since it is smaller than the sum of its proper divisors (25701614370868).

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

23323121302220 is a wasteful number, since it uses less digits than its factorization.

23323121302220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248910 (or 248908 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 23323121302220 its reverse (2220312132332), we get a palindrome (25543433434552).

The spelling of 23323121302220 in words is "twenty-three trillion, three hundred twenty-three billion, one hundred twenty-one million, three hundred two thousand, two hundred twenty".