23231322120 has 256 divisors, whose sum is σ = 75582720000. Its totient is φ = 5690961920.

The previous prime is 23231322083. The next prime is 23231322131. The reversal of 23231322120 is 2122313232.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15497131 + ... + 15498629.

It is an arithmetic number, because the mean of its divisors is an integer number (295245000).

Almost surely, 2^23231322120 is an apocalyptic number.

23231322120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23231322120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37791360000).

23231322120 is an abundant number, since it is smaller than the sum of its proper divisors (52351397880).

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

23231322120 is a wasteful number, since it uses less digits than its factorization.

23231322120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708 (or 1704 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23231322120 its reverse (2122313232), we get a palindrome (25353635352).

The spelling of 23231322120 in words is "twenty-three billion, two hundred thirty-one million, three hundred twenty-two thousand, one hundred twenty".