123130231130052 has 72 divisors (see below), whose sum is σ = 338461319019096. Its totient is φ = 37585062595584.

The previous prime is 123130231130047. The next prime is 123130231130077. The reversal of 123130231130052 is 250031132031321.

123130231130052 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 302 + 3 + 1 + 1 + 300 + 52 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 87292695419136 + 35837535710916 = 9343056^2 + 5986446^2 .

It is a super-2 number, since 2×123130231130052² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123130231129998 and 123130231130025.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2718804223 + ... + 2718849510.

It is an arithmetic number, because the mean of its divisors is an integer number (4700851653043).

Almost surely, 2^{123130231130052} is an apocalyptic number.

123130231130052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123130231130052 is an abundant number, since it is smaller than the sum of its proper divisors (215331087889044).

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

123130231130052 is a wasteful number, since it uses less digits than its factorization.

123130231130052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5437653797 (or 5437653792 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 123130231130052 its reverse (250031132031321), we get a palindrome (373161363161373).

The spelling of 123130231130052 in words is "one hundred twenty-three trillion, one hundred thirty billion, two hundred thirty-one million, one hundred thirty thousand, fifty-two".