123202313120 has 48 divisors (see below), whose sum is σ = 291393946368. Its totient is φ = 49225309440.

The previous prime is 123202313093. The next prime is 123202313161. The reversal of 123202313120 is 21313202321.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 123202313092 and 123202313101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292136 + ... + 575975.

It is an arithmetic number, because the mean of its divisors is an integer number (6070707216).

Almost surely, 2^123202313120 is an apocalyptic number.

123202313120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123202313120 is an abundant number, since it is smaller than the sum of its proper divisors (168191633248).

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

123202313120 is an equidigital number, since it uses as much as digits as its factorization.

123202313120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869013 (or 869005 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 123202313120 its reverse (21313202321), we get a palindrome (144515515441).

The spelling of 123202313120 in words is "one hundred twenty-three billion, two hundred two million, three hundred thirteen thousand, one hundred twenty".