23131442126130 has 128 divisors (see below), whose sum is σ = 60003337185792. Its totient is φ = 5673199454208.

The previous prime is 23131442126077. The next prime is 23131442126161. The reversal of 23131442126130 is 3162124413132.

It is a super-2 number, since 2×23131442126130² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23131442126091 and 23131442126100.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 284748699 + ... + 284829921.

It is an arithmetic number, because the mean of its divisors is an integer number (468776071764).

Almost surely, 2^{23131442126130} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23131442126130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30001668592896).

23131442126130 is an abundant number, since it is smaller than the sum of its proper divisors (36871895059662).

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

23131442126130 is a wasteful number, since it uses less digits than its factorization.

23131442126130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83892.

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 23131442126130 its reverse (3162124413132), we get a palindrome (26293566539262).

The spelling of 23131442126130 in words is "twenty-three trillion, one hundred thirty-one billion, four hundred forty-two million, one hundred twenty-six thousand, one hundred thirty".