4223993427 has 24 divisors (see below), whose sum is σ = 6359489136. Its totient is φ = 2801669472.

The previous prime is 4223993407. The next prime is 4223993429. The reversal of 4223993427 is 7243993224.

It is not a de Polignac number, because 4223993427 - 2¹⁵ = 4223960659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4223993429) 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 23 ways as a sum of consecutive naturals, for example, 3753 + ... + 91989.

It is an arithmetic number, because the mean of its divisors is an integer number (264978714).

Almost surely, 2^4223993427 is an apocalyptic number.

4223993427 is a deficient number, since it is larger than the sum of its proper divisors (2135495709).

4223993427 is an equidigital number, since it uses as much as digits as its factorization.

4223993427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88449 (or 88437 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The square root of 4223993427 is about 64992.2566695449. The cubic root of 4223993427 is about 1616.4951697677.

The spelling of 4223993427 in words is "four billion, two hundred twenty-three million, nine hundred ninety-three thousand, four hundred twenty-seven".