15346123313 has 4 divisors (see below), whose sum is σ = 15481929828. Its totient is φ = 15210316800.

The previous prime is 15346123297. The next prime is 15346123421. The reversal of 15346123313 is 31332164351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31332164351 = 10909 ⋅2872139.

It can be written as a sum of positive squares in 2 ways, for example, as 4603215409 + 10742907904 = 67847^2 + 103648^2 .

It is a cyclic number.

It is not a de Polignac number, because 15346123313 - 2⁴ = 15346123297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15346123313.

It is not an unprimeable number, because it can be changed into a prime (15346123213) 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, 67903088 + ... + 67903313.

It is an arithmetic number, because the mean of its divisors is an integer number (3870482457).

Almost surely, 2^15346123313 is an apocalyptic number.

It is an amenable number.

15346123313 is a deficient number, since it is larger than the sum of its proper divisors (135806515).

15346123313 is a wasteful number, since it uses less digits than its factorization.

15346123313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135806514.

The product of its digits is 19440, while the sum is 32.

Adding to 15346123313 its reverse (31332164351), we get a palindrome (46678287664).

The spelling of 15346123313 in words is "fifteen billion, three hundred forty-six million, one hundred twenty-three thousand, three hundred thirteen".