13123203300 has 54 divisors (see below), whose sum is σ = 41133954498. Its totient is φ = 3499520640.

The previous prime is 13123203259. The next prime is 13123203319. The reversal of 13123203300 is 330232131.

13123203300 is a `hidden beast` number, since 1 + 3 + 12 + 320 + 330 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 1109289636 + 12013913664 = 33306^2 + 109608^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7289769 + ... + 7291568.

Almost surely, 2^13123203300 is an apocalyptic number.

13123203300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13123203300 is an abundant number, since it is smaller than the sum of its proper divisors (28010751198).

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

13123203300 is a wasteful number, since it uses less digits than its factorization.

13123203300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14581357 (or 14581347 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 13123203300 its reverse (330232131), we get a palindrome (13453435431).

The spelling of 13123203300 in words is "thirteen billion, one hundred twenty-three million, two hundred three thousand, three hundred".