1315436705323 has 4 divisors (see below), whose sum is σ = 1416624144208. Its totient is φ = 1214249266440.

The previous prime is 1315436705309. The next prime is 1315436705327. The reversal of 1315436705323 is 3235076345131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1315436705323 is a prime.

It is a super-2 number, since 2×1315436705323² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1315436705323.

It is not an unprimeable number, because it can be changed into a prime (1315436705327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50593719423 + ... + 50593719448.

It is an arithmetic number, because the mean of its divisors is an integer number (354156036052).

Almost surely, 2^{1315436705323} is an apocalyptic number.

1315436705323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1315436705323 is a deficient number, since it is larger than the sum of its proper divisors (101187438885).

1315436705323 is a wasteful number, since it uses less digits than its factorization.

1315436705323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101187438884.

The product of its (nonzero) digits is 680400, while the sum is 43.

The spelling of 1315436705323 in words is "one trillion, three hundred fifteen billion, four hundred thirty-six million, seven hundred five thousand, three hundred twenty-three".