5573123818 has 8 divisors (see below), whose sum is σ = 8361660420. Its totient is φ = 2785903680.

The previous prime is 5573123729. The next prime is 5573123819. The reversal of 5573123818 is 8183213755.

It can be written as a sum of positive squares in 2 ways, for example, as 5464609929 + 108513889 = 73923^2 + 10417^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (5573123819) 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, 318463 + ... + 335506.

Almost surely, 2^5573123818 is an apocalyptic number.

5573123818 is a deficient number, since it is larger than the sum of its proper divisors (2788536602).

5573123818 is a wasteful number, since it uses less digits than its factorization.

5573123818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658232.

The product of its digits is 201600, while the sum is 43.

The square root of 5573123818 is about 74653.3577141712. The cubic root of 5573123818 is about 1772.9625573194.

The spelling of 5573123818 in words is "five billion, five hundred seventy-three million, one hundred twenty-three thousand, eight hundred eighteen".