23110203120 has 320 divisors, whose sum is σ = 79194931200. Its totient is φ = 5548815360.

The previous prime is 23110203091. The next prime is 23110203163. The reversal of 23110203120 is 2130201132.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 23110203120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18772905 + ... + 18774135.

It is an arithmetic number, because the mean of its divisors is an integer number (247484160).

Almost surely, 2^23110203120 is an apocalyptic number.

23110203120 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 23110203120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39597465600).

23110203120 is an abundant number, since it is smaller than the sum of its proper divisors (56084728080).

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

23110203120 is a wasteful number, since it uses less digits than its factorization.

23110203120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468 (or 1462 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 23110203120 its reverse (2130201132), we get a palindrome (25240404252).

The spelling of 23110203120 in words is "twenty-three billion, one hundred ten million, two hundred three thousand, one hundred twenty".