5623031668 has 12 divisors (see below), whose sum is σ = 9848399652. Its totient is φ = 2809203200.

The previous prime is 5623031657. The next prime is 5623031671. The reversal of 5623031668 is 8661303265.

It can be written as a sum of positive squares in 2 ways, for example, as 3982619664 + 1640412004 = 63108^2 + 40502^2 .

It is a super-3 number, since 3×5623031668³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5623031668.

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, 572683 + ... + 582418.

It is an arithmetic number, because the mean of its divisors is an integer number (820699971).

Almost surely, 2^5623031668 is an apocalyptic number.

It is an amenable number.

5623031668 is a deficient number, since it is larger than the sum of its proper divisors (4225367984).

5623031668 is a wasteful number, since it uses less digits than its factorization.

5623031668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156322 (or 1156320 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 5623031668 is about 74986.8766385159. The cubic root of 5623031668 is about 1778.2391866540.

The spelling of 5623031668 in words is "five billion, six hundred twenty-three million, thirty-one thousand, six hundred sixty-eight".