5123133205 has 4 divisors (see below), whose sum is σ = 6147759852. Its totient is φ = 4098506560.

The previous prime is 5123133199. The next prime is 5123133247. The reversal of 5123133205 is 5023313215.

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 1188456676 + 3934676529 = 34474^2 + 62727^2 .

It is a de Polignac number, because none of the positive numbers 2^k-5123133205 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 5123133205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512313316 + ... + 512313325.

It is an arithmetic number, because the mean of its divisors is an integer number (1536939963).

Almost surely, 2^5123133205 is an apocalyptic number.

It is an amenable number.

5123133205 is a deficient number, since it is larger than the sum of its proper divisors (1024626647).

5123133205 is a wasteful number, since it uses less digits than its factorization.

5123133205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024626646.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 5123133205 is about 71576.0658670201. The cubic root of 5123133205 is about 1723.8992577055.

The spelling of 5123133205 in words is "five billion, one hundred twenty-three million, one hundred thirty-three thousand, two hundred five".