123202330320 has 160 divisors (see below), whose sum is σ = 394546176000. Its totient is φ = 31770063360.

The previous prime is 123202330309. The next prime is 123202330337. The reversal of 123202330320 is 23033202321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11147037 + ... + 11158083.

It is an arithmetic number, because the mean of its divisors is an integer number (2465913600).

Almost surely, 2^123202330320 is an apocalyptic number.

123202330320 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 123202330320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197273088000).

123202330320 is an abundant number, since it is smaller than the sum of its proper divisors (271343845680).

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

123202330320 is a wasteful number, since it uses less digits than its factorization.

123202330320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12593 (or 12587 counting only the distinct ones).

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

Adding to 123202330320 its reverse (23033202321), we get a palindrome (146235532641).

The spelling of 123202330320 in words is "one hundred twenty-three billion, two hundred two million, three hundred thirty thousand, three hundred twenty".