23133013112 has 128 divisors (see below), whose sum is σ = 49598438400. Its totient is φ = 10022400000.

The previous prime is 23133013051. The next prime is 23133013139. The reversal of 23133013112 is 21131033132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57688112 + ... + 57688512.

It is an arithmetic number, because the mean of its divisors is an integer number (387487800).

Almost surely, 2^23133013112 is an apocalyptic number.

23133013112 is a gapful number since it is divisible by the number (22) 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 23133013112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24799219200).

23133013112 is an abundant number, since it is smaller than the sum of its proper divisors (26465425288).

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

23133013112 is a wasteful number, since it uses less digits than its factorization.

23133013112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789 (or 785 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 23133013112 its reverse (21131033132), we get a palindrome (44264046244).

It can be divided in two parts, 231330 and 13112, that added together give a palindrome (244442).

The spelling of 23133013112 in words is "twenty-three billion, one hundred thirty-three million, thirteen thousand, one hundred twelve".