23243221440120 has 64 divisors (see below), whose sum is σ = 76068724717440. Its totient is φ = 5634720348800.

The previous prime is 23243221440091. The next prime is 23243221440143. The reversal of 23243221440120 is 2104412234232.

It is a super-2 number, since 2×23243221440120² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 8804249226 + ... + 8804251865.

It is an arithmetic number, because the mean of its divisors is an integer number (1188573823710).

Almost surely, 2^{23243221440120} is an apocalyptic number.

23243221440120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23243221440120 is an abundant number, since it is smaller than the sum of its proper divisors (52825503277320).

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

23243221440120 is a wasteful number, since it uses less digits than its factorization.

23243221440120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17608501116 (or 17608501112 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 23243221440120 its reverse (2104412234232), we get a palindrome (25347633674352).

The spelling of 23243221440120 in words is "twenty-three trillion, two hundred forty-three billion, two hundred twenty-one million, four hundred forty thousand, one hundred twenty".