123200002320 has 160 divisors (see below), whose sum is σ = 421968206592. Its totient is φ = 29576380416.

The previous prime is 123200002207. The next prime is 123200002327. The reversal of 123200002320 is 23200002321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 123200002320.

It is not an unprimeable number, because it can be changed into a prime (123200002327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 562597 + ... + 750276.

Almost surely, 2^123200002320 is an apocalyptic number.

123200002320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123200002320 is an abundant number, since it is smaller than the sum of its proper divisors (298768204272).

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

123200002320 is a wasteful number, since it uses less digits than its factorization.

123200002320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312929 (or 1312923 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 123200002320 its reverse (23200002321), we get a palindrome (146400004641).

Subtracting from 123200002320 its reverse (23200002321), we obtain a palindrome (99999999999).

The spelling of 123200002320 in words is "one hundred twenty-three billion, two hundred million, two thousand, three hundred twenty".