13143110023421 has 8 divisors (see below), whose sum is σ = 15026177197824. Its totient is φ = 11261412856080.

The previous prime is 13143110023403. The next prime is 13143110023429. The reversal of 13143110023421 is 12432001134131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13143110023421 - 2³⁴ = 13125930154237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13143110023429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342481205 + ... + 342519578.

It is an arithmetic number, because the mean of its divisors is an integer number (1878272149728).

Almost surely, 2^{13143110023421} is an apocalyptic number.

It is an amenable number.

13143110023421 is a deficient number, since it is larger than the sum of its proper divisors (1883067174403).

13143110023421 is an equidigital number, since it uses as much as digits as its factorization.

13143110023421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685003531.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 13143110023421 its reverse (12432001134131), we get a palindrome (25575111157552).

The spelling of 13143110023421 in words is "thirteen trillion, one hundred forty-three billion, one hundred ten million, twenty-three thousand, four hundred twenty-one".