23110311120 has 160 divisors (see below), whose sum is σ = 79813641600. Its totient is φ = 5492508672.

The previous prime is 23110311083. The next prime is 23110311131. The reversal of 23110311120 is 2111301132.

It is a happy number.

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 23110311120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37230 + ... + 218189.

It is an arithmetic number, because the mean of its divisors is an integer number (498835260).

Almost surely, 2^23110311120 is an apocalyptic number.

23110311120 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 23110311120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39906820800).

23110311120 is an abundant number, since it is smaller than the sum of its proper divisors (56703330480).

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

23110311120 is a wasteful number, since it uses less digits than its factorization.

23110311120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255477 (or 255471 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 23110311120 its reverse (2111301132), we get a palindrome (25221612252).

The spelling of 23110311120 in words is "twenty-three billion, one hundred ten million, three hundred eleven thousand, one hundred twenty".