123133131200320 has 28 divisors (see below), whose sum is σ = 293210768671524. Its totient is φ = 49253252480000.

The previous prime is 123133131200311. The next prime is 123133131200341. The reversal of 123133131200320 is 23002131331321.

It can be written as a sum of positive squares in 2 ways, for example, as 88180062899776 + 34953068300544 = 9390424^2 + 5912112^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192395517181 + ... + 192395517820.

Almost surely, 2^{123133131200320} is an apocalyptic number.

123133131200320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123133131200320 is an abundant number, since it is smaller than the sum of its proper divisors (170077637471204).

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

123133131200320 is an equidigital number, since it uses as much as digits as its factorization.

123133131200320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384791035018 (or 384791035008 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 123133131200320 its reverse (23002131331321), we get a palindrome (146135262531641).

The spelling of 123133131200320 in words is "one hundred twenty-three trillion, one hundred thirty-three billion, one hundred thirty-one million, two hundred thousand, three hundred twenty".