123303102130320 has 80 divisors (see below), whose sum is σ = 436845276124800. Its totient is φ = 28183566200832.

The previous prime is 123303102130261. The next prime is 123303102130321. The reversal of 123303102130320 is 23031201303321.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (123303102130321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36697350145 + ... + 36697353504.

It is an arithmetic number, because the mean of its divisors is an integer number (5460565951560).

Almost surely, 2^{123303102130320} is an apocalyptic number.

123303102130320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123303102130320 is an abundant number, since it is smaller than the sum of its proper divisors (313542173994480).

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

123303102130320 is a wasteful number, since it uses less digits than its factorization.

123303102130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73394703672 (or 73394703666 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 123303102130320 its reverse (23031201303321), we get a palindrome (146334303433641).

The spelling of 123303102130320 in words is "one hundred twenty-three trillion, three hundred three billion, one hundred two million, one hundred thirty thousand, three hundred twenty".