13431123200 has 108 divisors (see below), whose sum is σ = 36266512128. Its totient is φ = 4884019200.

The previous prime is 13431123187. The next prime is 13431123203. The reversal of 13431123200 is 232113431.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13431123203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24992 + ... + 165791.

Almost surely, 2^13431123200 is an apocalyptic number.

13431123200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13431123200 is an abundant number, since it is smaller than the sum of its proper divisors (22835388928).

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

13431123200 is a wasteful number, since it uses less digits than its factorization.

13431123200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190820 (or 190801 counting only the distinct ones).

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

Adding to 13431123200 its reverse (232113431), we get a palindrome (13663236631).

It can be divided in two parts, 13431 and 123200, that added together give a palindrome (136631).

The spelling of 13431123200 in words is "thirteen billion, four hundred thirty-one million, one hundred twenty-three thousand, two hundred".