13512004423 has 32 divisors (see below), whose sum is σ = 14609802240. Its totient is φ = 12472185600.

The previous prime is 13512004421. The next prime is 13512004439. The reversal of 13512004423 is 32440021531.

It is a cyclic number.

It is not a de Polignac number, because 13512004423 - 2¹ = 13512004421 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 (13512004421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13745190 + ... + 13746172.

It is an arithmetic number, because the mean of its divisors is an integer number (456556320).

Almost surely, 2^13512004423 is an apocalyptic number.

13512004423 is a deficient number, since it is larger than the sum of its proper divisors (1097797817).

13512004423 is a wasteful number, since it uses less digits than its factorization.

13512004423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 13512004423 its reverse (32440021531), we get a palindrome (45952025954).

The spelling of 13512004423 in words is "thirteen billion, five hundred twelve million, four thousand, four hundred twenty-three".