13423121300 has 36 divisors (see below), whose sum is σ = 29133302016. Its totient is φ = 5368303200.

The previous prime is 13423121249. The next prime is 13423121347. The reversal of 13423121300 is 312132431.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 942029 + ... + 956171.

Almost surely, 2^13423121300 is an apocalyptic number.

13423121300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13423121300 is an abundant number, since it is smaller than the sum of its proper divisors (15710180716).

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

13423121300 is a wasteful number, since it uses less digits than its factorization.

13423121300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23648 (or 23641 counting only the distinct ones).

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

Adding to 13423121300 its reverse (312132431), we get a palindrome (13735253731).

The spelling of 13423121300 in words is "thirteen billion, four hundred twenty-three million, one hundred twenty-one thousand, three hundred".