4423430023 has 4 divisors (see below), whose sum is σ = 4424542920. Its totient is φ = 4422317128.

The previous prime is 4423430009. The next prime is 4423430057. The reversal of 4423430023 is 3200343244.

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 4423430023 - 2¹⁷ = 4423298951 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 4423430023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4423430093) 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, 550465 + ... + 558442.

It is an arithmetic number, because the mean of its divisors is an integer number (1106135730).

Almost surely, 2^4423430023 is an apocalyptic number.

4423430023 is a deficient number, since it is larger than the sum of its proper divisors (1112897).

4423430023 is a wasteful number, since it uses less digits than its factorization.

4423430023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112896.

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 4423430023 is about 66508.8717615928. The cubic root of 4423430023 is about 1641.5459870280.

Adding to 4423430023 its reverse (3200343244), we get a palindrome (7623773267).

The spelling of 4423430023 in words is "four billion, four hundred twenty-three million, four hundred thirty thousand, twenty-three".