1313133233123 has 16 divisors (see below), whose sum is σ = 1328320423872. Its totient is φ = 1297994880000.

The previous prime is 1313133233119. The next prime is 1313133233129. The reversal of 1313133233123 is 3213323313131.

It is a cyclic number.

It is not a de Polignac number, because 1313133233123 - 2² = 1313133233119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313133233129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219547793 + ... + 219553773.

It is an arithmetic number, because the mean of its divisors is an integer number (83020026492).

Almost surely, 2^{1313133233123} is an apocalyptic number.

1313133233123 is a deficient number, since it is larger than the sum of its proper divisors (15187190749).

1313133233123 is a wasteful number, since it uses less digits than its factorization.

1313133233123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9646.

The product of its digits is 8748, while the sum is 29.

Adding to 1313133233123 its reverse (3213323313131), we get a palindrome (4526456546254).

The spelling of 1313133233123 in words is "one trillion, three hundred thirteen billion, one hundred thirty-three million, two hundred thirty-three thousand, one hundred twenty-three".