23133123112 has 32 divisors (see below), whose sum is σ = 47338800480. Its totient is φ = 10510378560.

The previous prime is 23133123089. The next prime is 23133123127. The reversal of 23133123112 is 21132133132.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 7 ways as a sum of consecutive naturals, for example, 144463 + ... + 259105.

It is an arithmetic number, because the mean of its divisors is an integer number (1479337515).

Almost surely, 2^23133123112 is an apocalyptic number.

23133123112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23133123112 is an abundant number, since it is smaller than the sum of its proper divisors (24205677368).

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

23133123112 is a wasteful number, since it uses less digits than its factorization.

23133123112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116953 (or 116949 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

Adding to 23133123112 its reverse (21132133132), we get a palindrome (44265256244).

The spelling of 23133123112 in words is "twenty-three billion, one hundred thirty-three million, one hundred twenty-three thousand, one hundred twelve".