1313620344423 has 16 divisors (see below), whose sum is σ = 1946166697440. Its totient is φ = 875718778752.

The previous prime is 1313620344367. The next prime is 1313620344469. The reversal of 1313620344423 is 3244430263131.

It is a happy number.

1313620344423 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 6 + 203 + 4 + 442 + 3 = 666.

It is not a de Polignac number, because 1313620344423 - 2⁹ = 1313620343911 is a prime.

It is a super-2 number, since 2×1313620344423² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313620344493) 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, 93265 + ... + 1623557.

It is an arithmetic number, because the mean of its divisors is an integer number (121635418590).

Almost surely, 2^{1313620344423} is an apocalyptic number.

1313620344423 is a deficient number, since it is larger than the sum of its proper divisors (632546353017).

1313620344423 is a wasteful number, since it uses less digits than its factorization.

1313620344423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562095 (or 1562089 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

The spelling of 1313620344423 in words is "one trillion, three hundred thirteen billion, six hundred twenty million, three hundred forty-four thousand, four hundred twenty-three".