13443405423252 has 24 divisors (see below), whose sum is σ = 35849081128896. Its totient is φ = 3840972978048.

The previous prime is 13443405423127. The next prime is 13443405423277. The reversal of 13443405423252 is 25232450434431.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80020270293 + ... + 80020270460.

It is an arithmetic number, because the mean of its divisors is an integer number (1493711713704).

Almost surely, 2^{13443405423252} is an apocalyptic number.

13443405423252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13443405423252 is an abundant number, since it is smaller than the sum of its proper divisors (22405675705644).

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

13443405423252 is a wasteful number, since it uses less digits than its factorization.

13443405423252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160040540767 (or 160040540765 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 42.

Adding to 13443405423252 its reverse (25232450434431), we get a palindrome (38675855857683).

The spelling of 13443405423252 in words is "thirteen trillion, four hundred forty-three billion, four hundred five million, four hundred twenty-three thousand, two hundred fifty-two".