123230023230 has 128 divisors (see below), whose sum is σ = 304882652160. Its totient is φ = 31864734720.

The previous prime is 123230023207. The next prime is 123230023247. The reversal of 123230023230 is 32320032321.

It is a junction number, because it is equal to n+sod(n) for n = 123230023197 and 123230023206.

It is a congruent number.

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, 68881176 + ... + 68882964.

It is an arithmetic number, because the mean of its divisors is an integer number (2381895720).

Almost surely, 2^123230023230 is an apocalyptic number.

123230023230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 123230023230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152441326080).

123230023230 is an abundant number, since it is smaller than the sum of its proper divisors (181652628930).

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

123230023230 is a wasteful number, since it uses less digits than its factorization.

123230023230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 123230023230 its reverse (32320032321), we get a palindrome (155550055551).

Subtracting from 123230023230 its reverse (32320032321), we obtain a palindrome (90909990909).

The spelling of 123230023230 in words is "one hundred twenty-three billion, two hundred thirty million, twenty-three thousand, two hundred thirty".