23130000312 has 64 divisors (see below), whose sum is σ = 59315520000. Its totient is φ = 7512148224.

The previous prime is 23130000307. The next prime is 23130000323. The reversal of 23130000312 is 21300003132.

It is a junction number, because it is equal to n+sod(n) for n = 23130000291 and 23130000300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394689 + ... + 449487.

It is an arithmetic number, because the mean of its divisors is an integer number (926805000).

Almost surely, 2^23130000312 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 23130000312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29657760000).

23130000312 is an abundant number, since it is smaller than the sum of its proper divisors (36185519688).

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

23130000312 is a wasteful number, since it uses less digits than its factorization.

23130000312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55260 (or 55256 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 23130000312 its reverse (21300003132), we get a palindrome (44430003444).

The spelling of 23130000312 in words is "twenty-three billion, one hundred thirty million, three hundred twelve", and thus it is an aban number.