123203033130320 has 320 divisors, whose sum is σ = 356385717354240. Its totient is φ = 38915135078400.

The previous prime is 123203033130319. The next prime is 123203033130367. The reversal of 123203033130320 is 23031330302321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 123203033130320.

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, 1123845110 + ... + 1123954730.

It is an arithmetic number, because the mean of its divisors is an integer number (1113705366732).

Almost surely, 2^{123203033130320} is an apocalyptic number.

123203033130320 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 123203033130320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178192858677120).

123203033130320 is an abundant number, since it is smaller than the sum of its proper divisors (233182684223920).

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

123203033130320 is a wasteful number, since it uses less digits than its factorization.

123203033130320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115454 (or 115448 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 123203033130320 its reverse (23031330302321), we get a palindrome (146234363432641).

The spelling of 123203033130320 in words is "one hundred twenty-three trillion, two hundred three billion, thirty-three million, one hundred thirty thousand, three hundred twenty".