13404000423 has 24 divisors (see below), whose sum is σ = 19881154944. Its totient is φ = 8025743440.

The previous prime is 13404000349. The next prime is 13404000427. The reversal of 13404000423 is 32400040431.

It is not a de Polignac number, because 13404000423 - 2¹⁸ = 13403738279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13404000423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13404000427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192315 + ... + 252572.

It is an arithmetic number, because the mean of its divisors is an integer number (828381456).

Almost surely, 2^13404000423 is an apocalyptic number.

13404000423 is a deficient number, since it is larger than the sum of its proper divisors (6477154521).

13404000423 is a wasteful number, since it uses less digits than its factorization.

13404000423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444995 (or 444984 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 13404000423 its reverse (32400040431), we get a palindrome (45804040854).

The spelling of 13404000423 in words is "thirteen billion, four hundred four million, four hundred twenty-three", and thus it is an aban number.