123323231130 has 32 divisors (see below), whose sum is σ = 322882642368. Its totient is φ = 29896540800.

The previous prime is 123323231123. The next prime is 123323231179. The reversal of 123323231130 is 31132323321.

It is a self number, because there is not a number n which added to its sum of digits gives 123323231130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186853051 + ... + 186853710.

It is an arithmetic number, because the mean of its divisors is an integer number (10090082574).

Almost surely, 2^123323231130 is an apocalyptic number.

123323231130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123323231130 is an abundant number, since it is smaller than the sum of its proper divisors (199559411238).

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

123323231130 is a wasteful number, since it uses less digits than its factorization.

123323231130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373706782.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 123323231130 its reverse (31132323321), we get a palindrome (154455554451).

It can be divided in two parts, 123323 and 231130, that added together give a palindrome (354453).

The spelling of 123323231130 in words is "one hundred twenty-three billion, three hundred twenty-three million, two hundred thirty-one thousand, one hundred thirty".