123113123200 has 48 divisors (see below), whose sum is σ = 304127895060. Its totient is φ = 49245248000.

The previous prime is 123113123183. The next prime is 123113123209. The reversal of 123113123200 is 2321311321.

It is a super-2 number, since 2×123113123200² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123113123209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19233226 + ... + 19239625.

Almost surely, 2^123113123200 is an apocalyptic number.

123113123200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123113123200 is an abundant number, since it is smaller than the sum of its proper divisors (181014771860).

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

123113123200 is an equidigital number, since it uses as much as digits as its factorization.

123113123200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38472875 (or 38472858 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 123113123200 its reverse (2321311321), we get a palindrome (125434434521).

The spelling of 123113123200 in words is "one hundred twenty-three billion, one hundred thirteen million, one hundred twenty-three thousand, two hundred".