13423343150440 has 384 divisors, whose sum is σ = 33668733780000. Its totient is φ = 4810223149056.

The previous prime is 13423343150429. The next prime is 13423343150449. The reversal of 13423343150440 is 4405134332431.

13423343150440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 2512041143364 + 10911302007076 = 1584942^2 + 3303226^2 .

It is a super-2 number, since 2×13423343150440² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 13423343150440.

It is not an unprimeable number, because it can be changed into a prime (13423343150449) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3086533386 + ... + 3086537734.

Almost surely, 2^{13423343150440} is an apocalyptic number.

13423343150440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13423343150440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16834366890000).

13423343150440 is an abundant number, since it is smaller than the sum of its proper divisors (20245390629560).

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

13423343150440 is a wasteful number, since it uses less digits than its factorization.

13423343150440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4597 (or 4574 counting only the distinct ones).

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

Adding to 13423343150440 its reverse (4405134332431), we get a palindrome (17828477482871).

The spelling of 13423343150440 in words is "thirteen trillion, four hundred twenty-three billion, three hundred forty-three million, one hundred fifty thousand, four hundred forty".