1313403115423 has 16 divisors (see below), whose sum is σ = 1559321688064. Its totient is φ = 1082519549280.

The previous prime is 1313403115403. The next prime is 1313403115469. The reversal of 1313403115423 is 3245113043131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313403115423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313403115403) 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, 19241565 + ... + 19309702.

It is an arithmetic number, because the mean of its divisors is an integer number (97457605504).

Almost surely, 2^{1313403115423} is an apocalyptic number.

1313403115423 is a deficient number, since it is larger than the sum of its proper divisors (245918572641).

1313403115423 is a wasteful number, since it uses less digits than its factorization.

1313403115423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38551462.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 1313403115423 its reverse (3245113043131), we get a palindrome (4558516158554).

The spelling of 1313403115423 in words is "one trillion, three hundred thirteen billion, four hundred three million, one hundred fifteen thousand, four hundred twenty-three".