123230210232 has 128 divisors (see below), whose sum is σ = 339375882240. Its totient is φ = 37118269440.

The previous prime is 123230210227. The next prime is 123230210239. The reversal of 123230210232 is 232012032321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 123230210199 and 123230210208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123230210239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1567938 + ... + 1644654.

It is an arithmetic number, because the mean of its divisors is an integer number (2651374080).

Almost surely, 2^123230210232 is an apocalyptic number.

123230210232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123230210232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169687941120).

123230210232 is an abundant number, since it is smaller than the sum of its proper divisors (216145672008).

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

123230210232 is a wasteful number, since it uses less digits than its factorization.

123230210232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76901 (or 76897 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 123230210232 its reverse (232012032321), we get a palindrome (355242242553).

The spelling of 123230210232 in words is "one hundred twenty-three billion, two hundred thirty million, two hundred ten thousand, two hundred thirty-two".