13423511021342 has 4 divisors (see below), whose sum is σ = 20135266532016. Its totient is φ = 6711755510670.

The previous prime is 13423511021321. The next prime is 13423511021351. The reversal of 13423511021342 is 24312011532431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 13423511021299 and 13423511021308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3355877755334 + ... + 3355877755337.

It is an arithmetic number, because the mean of its divisors is an integer number (5033816633004).

Almost surely, 2^{13423511021342} is an apocalyptic number.

13423511021342 is a deficient number, since it is larger than the sum of its proper divisors (6711755510674).

13423511021342 is an equidigital number, since it uses as much as digits as its factorization.

13423511021342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6711755510673.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 13423511021342 its reverse (24312011532431), we get a palindrome (37735522553773).

The spelling of 13423511021342 in words is "thirteen trillion, four hundred twenty-three billion, five hundred eleven million, twenty-one thousand, three hundred forty-two".