23130132312 has 128 divisors (see below), whose sum is σ = 66547837440. Its totient is φ = 6562606080.

The previous prime is 23130132293. The next prime is 23130132349. The reversal of 23130132312 is 21323103132.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 29021098 + ... + 29021894.

It is an arithmetic number, because the mean of its divisors is an integer number (519904980).

Almost surely, 2^23130132312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23130132312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33273918720).

23130132312 is an abundant number, since it is smaller than the sum of its proper divisors (43417705128).

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

23130132312 is a wasteful number, since it uses less digits than its factorization.

23130132312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1801 (or 1797 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23130132312 its reverse (21323103132), we get a palindrome (44453235444).

The spelling of 23130132312 in words is "twenty-three billion, one hundred thirty million, one hundred thirty-two thousand, three hundred twelve".