13123166236 has 12 divisors (see below), whose sum is σ = 23039387280. Its totient is φ = 6540484160.

The previous prime is 13123166219. The next prime is 13123166263. The reversal of 13123166236 is 63266132131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5273341 + ... + 5275828.

It is an arithmetic number, because the mean of its divisors is an integer number (1919948940).

Almost surely, 2^13123166236 is an apocalyptic number.

It is an amenable number.

13123166236 is a deficient number, since it is larger than the sum of its proper divisors (9916221044).

13123166236 is a wasteful number, since it uses less digits than its factorization.

13123166236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10549484 (or 10549482 counting only the distinct ones).

The product of its digits is 23328, while the sum is 34.

Adding to 13123166236 its reverse (63266132131), we get a palindrome (76389298367).

The spelling of 13123166236 in words is "thirteen billion, one hundred twenty-three million, one hundred sixty-six thousand, two hundred thirty-six".