15305423113 has 4 divisors (see below), whose sum is σ = 15314126080. Its totient is φ = 15296720148.

The previous prime is 15305423087. The next prime is 15305423141. The reversal of 15305423113 is 31132450351.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31132450351 = 129953 ⋅239567.

It is a cyclic number.

It is not a de Polignac number, because 15305423113 - 2¹³ = 15305414921 is a prime.

It is a super-2 number, since 2×15305423113² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15305423213) 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 3 ways as a sum of consecutive naturals, for example, 4348845 + ... + 4352362.

It is an arithmetic number, because the mean of its divisors is an integer number (3828531520).

Almost surely, 2^15305423113 is an apocalyptic number.

It is an amenable number.

15305423113 is a deficient number, since it is larger than the sum of its proper divisors (8702967).

15305423113 is an equidigital number, since it uses as much as digits as its factorization.

15305423113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8702966.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 15305423113 its reverse (31132450351), we get a palindrome (46437873464).

The spelling of 15305423113 in words is "fifteen billion, three hundred five million, four hundred twenty-three thousand, one hundred thirteen".