13011313433123 has 32 divisors (see below), whose sum is σ = 14415164144640. Its totient is φ = 11681350686720.

The previous prime is 13011313433093. The next prime is 13011313433147. The reversal of 13011313433123 is 32133431311031.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13011313433123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13011313433423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 511297586 + ... + 511323032.

It is an arithmetic number, because the mean of its divisors is an integer number (450473879520).

Almost surely, 2^{13011313433123} is an apocalyptic number.

13011313433123 is a deficient number, since it is larger than the sum of its proper divisors (1403850711517).

13011313433123 is a wasteful number, since it uses less digits than its factorization.

13011313433123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29027.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 13011313433123 its reverse (32133431311031), we get a palindrome (45144744744154).

The spelling of 13011313433123 in words is "thirteen trillion, eleven billion, three hundred thirteen million, four hundred thirty-three thousand, one hundred twenty-three".