13002042123 has 12 divisors (see below), whose sum is σ = 21463688688. Its totient is φ = 7429738320.

The previous prime is 13002042073. The next prime is 13002042143. The reversal of 13002042123 is 32124020031.

It is not a de Polignac number, because 13002042123 - 2¹³ = 13002033931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13002042096 and 13002042105.

It is not an unprimeable number, because it can be changed into a prime (13002042143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103190748 + ... + 103190873.

It is an arithmetic number, because the mean of its divisors is an integer number (1788640724).

Almost surely, 2^13002042123 is an apocalyptic number.

13002042123 is a deficient number, since it is larger than the sum of its proper divisors (8461646565).

13002042123 is a wasteful number, since it uses less digits than its factorization.

13002042123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206381634 (or 206381631 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 13002042123 its reverse (32124020031), we get a palindrome (45126062154).

The spelling of 13002042123 in words is "thirteen billion, two million, forty-two thousand, one hundred twenty-three".