13403423215 has 64 divisors (see below), whose sum is σ = 20132904960. Its totient is φ = 8340433920.

The previous prime is 13403423207. The next prime is 13403423227. The reversal of 13403423215 is 51232430431.

It is a happy number.

It is not a de Polignac number, because 13403423215 - 2³ = 13403423207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10099882 + ... + 10101208.

It is an arithmetic number, because the mean of its divisors is an integer number (314576640).

Almost surely, 2^13403423215 is an apocalyptic number.

13403423215 is a deficient number, since it is larger than the sum of its proper divisors (6729481745).

13403423215 is a wasteful number, since it uses less digits than its factorization.

13403423215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 13403423215 its reverse (51232430431), we get a palindrome (64635853646).

The spelling of 13403423215 in words is "thirteen billion, four hundred three million, four hundred twenty-three thousand, two hundred fifteen".