13123322135 has 32 divisors (see below), whose sum is σ = 20667225600. Its totient is φ = 7750200960.

The previous prime is 13123322117. The next prime is 13123322167. The reversal of 13123322135 is 53122332131.

It is not a de Polignac number, because 13123322135 - 2⁸ = 13123321879 is a prime.

It is a congruent number.

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, 889700 + ... + 904329.

It is an arithmetic number, because the mean of its divisors is an integer number (645850800).

Almost surely, 2^13123322135 is an apocalyptic number.

13123322135 is a deficient number, since it is larger than the sum of its proper divisors (7543903465).

13123322135 is a wasteful number, since it uses less digits than its factorization.

13123322135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794071.

The product of its digits is 3240, while the sum is 26.

Adding to 13123322135 its reverse (53122332131), we get a palindrome (66245654266).

The spelling of 13123322135 in words is "thirteen billion, one hundred twenty-three million, three hundred twenty-two thousand, one hundred thirty-five".