15813423041 has 4 divisors (see below), whose sum is σ = 17029840212. Its totient is φ = 14597005872.

The previous prime is 15813423029. The next prime is 15813423047. The reversal of 15813423041 is 14032431851.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7939522816 + 7873900225 = 89104^2 + 88735^2 .

It is a cyclic number.

It is not a de Polignac number, because 15813423041 - 2¹⁸ = 15813160897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15813422989 and 15813423007.

It is not an unprimeable number, because it can be changed into a prime (15813423047) 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, 608208566 + ... + 608208591.

It is an arithmetic number, because the mean of its divisors is an integer number (4257460053).

Almost surely, 2^15813423041 is an apocalyptic number.

It is an amenable number.

15813423041 is a deficient number, since it is larger than the sum of its proper divisors (1216417171).

15813423041 is a wasteful number, since it uses less digits than its factorization.

15813423041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216417170.

The product of its (nonzero) digits is 11520, while the sum is 32.

Adding to 15813423041 its reverse (14032431851), we get a palindrome (29845854892).

The spelling of 15813423041 in words is "fifteen billion, eight hundred thirteen million, four hundred twenty-three thousand, forty-one".