23130251442 has 24 divisors (see below), whose sum is σ = 53063518716. Its totient is φ = 7256549376.

The previous prime is 23130251437. The next prime is 23130251513. The reversal of 23130251442 is 24415203132.

It can be written as a sum of positive squares in 2 ways, for example, as 21418029801 + 1712221641 = 146349^2 + 41379^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37794223 + ... + 37794834.

Almost surely, 2^23130251442 is an apocalyptic number.

23130251442 is an abundant number, since it is smaller than the sum of its proper divisors (29933267274).

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

23130251442 is a wasteful number, since it uses less digits than its factorization.

23130251442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75589082 (or 75589079 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 23130251442 its reverse (24415203132), we get a palindrome (47545454574).

The spelling of 23130251442 in words is "twenty-three billion, one hundred thirty million, two hundred fifty-one thousand, four hundred forty-two".