13423142111340 has 384 divisors, whose sum is σ = 41018376672000. Its totient is φ = 3260278702080.

The previous prime is 13423142111303. The next prime is 13423142111429. The reversal of 13423142111340 is 4311124132431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 13423142111298 and 13423142111307.

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 127 ways as a sum of consecutive naturals, for example, 12796131136 + ... + 12796132184.

It is an arithmetic number, because the mean of its divisors is an integer number (106818689250).

Almost surely, 2^{13423142111340} is an apocalyptic number.

13423142111340 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 13423142111340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20509188336000).

13423142111340 is an abundant number, since it is smaller than the sum of its proper divisors (27595234560660).

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

13423142111340 is a wasteful number, since it uses less digits than its factorization.

13423142111340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877 (or 1875 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 13423142111340 its reverse (4311124132431), we get a palindrome (17734266243771).

The spelling of 13423142111340 in words is "thirteen trillion, four hundred twenty-three billion, one hundred forty-two million, one hundred eleven thousand, three hundred forty".