13402123306 has 64 divisors (see below), whose sum is σ = 23918259456. Its totient is φ = 5552064000.

The previous prime is 13402123291. The next prime is 13402123327. The reversal of 13402123306 is 60332120431.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17703880 + ... + 17704636.

It is an arithmetic number, because the mean of its divisors is an integer number (373722804).

Almost surely, 2^13402123306 is an apocalyptic number.

13402123306 is a deficient number, since it is larger than the sum of its proper divisors (10516136150).

13402123306 is a wasteful number, since it uses less digits than its factorization.

13402123306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 13402123306 its reverse (60332120431), we get a palindrome (73734243737).

The spelling of 13402123306 in words is "thirteen billion, four hundred two million, one hundred twenty-three thousand, three hundred six".