13312423354420 has 24 divisors (see below), whose sum is σ = 28483562424744. Its totient is φ = 5224498221696.

The previous prime is 13312423354397. The next prime is 13312423354441. The reversal of 13312423354420 is 2445332421331.

It can be written as a sum of positive squares in 4 ways, for example, as 6178972948516 + 7133450405904 = 2485754^2 + 2670852^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13312423354420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6279443919 + ... + 6279446038.

It is an arithmetic number, because the mean of its divisors is an integer number (1186815101031).

Almost surely, 2^{13312423354420} is an apocalyptic number.

13312423354420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13312423354420 is an abundant number, since it is smaller than the sum of its proper divisors (15171139070324).

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

13312423354420 is a wasteful number, since it uses less digits than its factorization.

13312423354420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12558890019 (or 12558890017 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 13312423354420 its reverse (2445332421331), we get a palindrome (15757755775751).

The spelling of 13312423354420 in words is "thirteen trillion, three hundred twelve billion, four hundred twenty-three million, three hundred fifty-four thousand, four hundred twenty".