13423431455 has 16 divisors (see below), whose sum is σ = 19492176960. Its totient is φ = 8663188992.

The previous prime is 13423431401. The next prime is 13423431457. The reversal of 13423431455 is 55413432431.

It is a cyclic number.

It is not a de Polignac number, because 13423431455 - 2²⁸ = 13154995999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13423431457) 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, 11279600 + ... + 11280789.

It is an arithmetic number, because the mean of its divisors is an integer number (1218261060).

Almost surely, 2^13423431455 is an apocalyptic number.

13423431455 is a deficient number, since it is larger than the sum of its proper divisors (6068745505).

13423431455 is a wasteful number, since it uses less digits than its factorization.

13423431455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22560418.

The product of its digits is 86400, while the sum is 35.

Adding to 13423431455 its reverse (55413432431), we get a palindrome (68836863886).

The spelling of 13423431455 in words is "thirteen billion, four hundred twenty-three million, four hundred thirty-one thousand, four hundred fifty-five".