1310003040423 has 48 divisors (see below), whose sum is σ = 2276461286784. Its totient is φ = 662128568640.

The previous prime is 1310003040407. The next prime is 1310003040431. The reversal of 1310003040423 is 3240403000131.

It is not a de Polignac number, because 1310003040423 - 2⁴ = 1310003040407 is a prime.

It is a super-4 number, since 4×1310003040423⁴ (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1310003040423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310003040323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10888065 + ... + 11007722.

It is an arithmetic number, because the mean of its divisors is an integer number (47426276808).

Almost surely, 2^{1310003040423} is an apocalyptic number.

1310003040423 is a deficient number, since it is larger than the sum of its proper divisors (966458246361).

1310003040423 is a wasteful number, since it uses less digits than its factorization.

1310003040423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21895852 (or 21895845 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1310003040423 its reverse (3240403000131), we get a palindrome (4550406040554).

The spelling of 1310003040423 in words is "one trillion, three hundred ten billion, three million, forty thousand, four hundred twenty-three".