13423843700 has 36 divisors (see below), whose sum is σ = 29139991692. Its totient is φ = 5367648000.

The previous prime is 13423843651. The next prime is 13423843709. The reversal of 13423843700 is 734832431.

It can be written as a sum of positive squares in 6 ways, for example, as 247558756 + 13176284944 = 15734^2 + 114788^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13423843709) 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, 281600 + ... + 325800.

Almost surely, 2^13423843700 is an apocalyptic number.

13423843700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13423843700 is an abundant number, since it is smaller than the sum of its proper divisors (15716147992).

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

13423843700 is a wasteful number, since it uses less digits than its factorization.

13423843700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47252 (or 47245 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The spelling of 13423843700 in words is "thirteen billion, four hundred twenty-three million, eight hundred forty-three thousand, seven hundred".