123230210320 has 160 divisors (see below), whose sum is σ = 333098680320. Its totient is φ = 41525153280.

The previous prime is 123230210273. The next prime is 123230210321. The reversal of 123230210320 is 23012032321.

It is a super-2 number, since 2×123230210320² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123230210321) 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, 9859275 + ... + 9871765.

It is an arithmetic number, because the mean of its divisors is an integer number (2081866752).

Almost surely, 2^123230210320 is an apocalyptic number.

123230210320 is a gapful number since it is divisible by the number (10) 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 123230210320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166549340160).

123230210320 is an abundant number, since it is smaller than the sum of its proper divisors (209868470000).

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

123230210320 is a wasteful number, since it uses less digits than its factorization.

123230210320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12813 (or 12807 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 123230210320 its reverse (23012032321), we get a palindrome (146242242641).

The spelling of 123230210320 in words is "one hundred twenty-three billion, two hundred thirty million, two hundred ten thousand, three hundred twenty".