4001423203 has 4 divisors (see below), whose sum is σ = 4076921808. Its totient is φ = 3925924600.

The previous prime is 4001423197. The next prime is 4001423227. The reversal of 4001423203 is 3023241004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4001423203 - 2²⁵ = 3967868771 is a prime.

It is a super-2 number, since 2×4001423203² = 32022775299013558418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4001423273) 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, 37749223 + ... + 37749328.

It is an arithmetic number, because the mean of its divisors is an integer number (1019230452).

Almost surely, 2^4001423203 is an apocalyptic number.

4001423203 is a deficient number, since it is larger than the sum of its proper divisors (75498605).

4001423203 is an equidigital number, since it uses as much as digits as its factorization.

4001423203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75498604.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 4001423203 is about 63256.8036103627. The cubic root of 4001423203 is about 1587.5892958058.

Adding to 4001423203 its reverse (3023241004), we get a palindrome (7024664207).

The spelling of 4001423203 in words is "four billion, one million, four hundred twenty-three thousand, two hundred three".