13421401423 has 16 divisors (see below), whose sum is σ = 14241864960. Its totient is φ = 12625804800.

The previous prime is 13421401339. The next prime is 13421401453. The reversal of 13421401423 is 32410412431.

It is a cyclic number.

It is not a de Polignac number, because 13421401423 - 2¹³ = 13421393231 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 (13421401453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1404903 + ... + 1414423.

It is an arithmetic number, because the mean of its divisors is an integer number (890116560).

Almost surely, 2^13421401423 is an apocalyptic number.

13421401423 is a deficient number, since it is larger than the sum of its proper divisors (820463537).

13421401423 is a wasteful number, since it uses less digits than its factorization.

13421401423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10818.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 13421401423 its reverse (32410412431), we get a palindrome (45831813854).

The spelling of 13421401423 in words is "thirteen billion, four hundred twenty-one million, four hundred one thousand, four hundred twenty-three".