23130133312 has 112 divisors (see below), whose sum is σ = 55071459072. Its totient is φ = 9498286080.

The previous prime is 23130133289. The next prime is 23130133339. The reversal of 23130133312 is 21333103132.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403258 + ... + 457030.

It is an arithmetic number, because the mean of its divisors is an integer number (491709456).

Almost surely, 2^23130133312 is an apocalyptic number.

23130133312 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 23130133312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27535729536).

23130133312 is an abundant number, since it is smaller than the sum of its proper divisors (31941325760).

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

23130133312 is a wasteful number, since it uses less digits than its factorization.

23130133312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53856 (or 53846 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 23130133312 its reverse (21333103132), we get a palindrome (44463236444).

The spelling of 23130133312 in words is "twenty-three billion, one hundred thirty million, one hundred thirty-three thousand, three hundred twelve".