5123221807 has 16 divisors (see below), whose sum is σ = 5896108800. Its totient is φ = 4402607040.

The previous prime is 5123221801. The next prime is 5123221837. The reversal of 5123221807 is 7081223215.

It is not a de Polignac number, because 5123221807 - 2¹⁹ = 5122697519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5123221801) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 68694 + ... + 122332.

It is an arithmetic number, because the mean of its divisors is an integer number (368506800).

Almost surely, 2^5123221807 is an apocalyptic number.

5123221807 is a deficient number, since it is larger than the sum of its proper divisors (772886993).

5123221807 is a wasteful number, since it uses less digits than its factorization.

5123221807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54126.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 5123221807 is about 71576.6848002895. The cubic root of 5123221807 is about 1723.9091956371.

The spelling of 5123221807 in words is "five billion, one hundred twenty-three million, two hundred twenty-one thousand, eight hundred seven".