4423430 has 16 divisors (see below), whose sum is σ = 8686224. Its totient is φ = 1608480.

The previous prime is 4423427. The next prime is 4423481. The reversal of 4423430 is 343244.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19997 + ... + 20216.

It is an arithmetic number, because the mean of its divisors is an integer number (542889).

Almost surely, 2^4423430 is an apocalyptic number.

4423430 is a deficient number, since it is larger than the sum of its proper divisors (4262794).

4423430 is a wasteful number, since it uses less digits than its factorization.

4423430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40231.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 4423430 is about 2103.1951882790. The cubic root of 4423430 is about 164.1545984183.

Adding to 4423430 its reverse (343244), we get a palindrome (4766674).

It can be divided in two parts, 4 and 423430, that multiplied together give a triangular number (1693720 = T₁₈₄₀).

The spelling of 4423430 in words is "four million, four hundred twenty-three thousand, four hundred thirty".