13123044242 has 32 divisors (see below), whose sum is σ = 24566315904. Its totient is φ = 5107766400.

The previous prime is 13123044173. The next prime is 13123044257. The reversal of 13123044242 is 24244032131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113942 + ... + 198062.

It is an arithmetic number, because the mean of its divisors is an integer number (767697372).

Almost surely, 2^13123044242 is an apocalyptic number.

13123044242 is a deficient number, since it is larger than the sum of its proper divisors (11443271662).

13123044242 is a wasteful number, since it uses less digits than its factorization.

13123044242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85154.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 13123044242 its reverse (24244032131), we get a palindrome (37367076373).

The spelling of 13123044242 in words is "thirteen billion, one hundred twenty-three million, forty-four thousand, two hundred forty-two".