4223423401 has 4 divisors (see below), whose sum is σ = 4224962500. Its totient is φ = 4221884304.

The previous prime is 4223423383. The next prime is 4223423419. The reversal of 4223423401 is 1043243224.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (4223423383) and next prime (4223423419).

It can be written as a sum of positive squares in 2 ways, for example, as 578162025 + 3645261376 = 24045^2 + 60376^2 .

It is a cyclic number.

It is not a de Polignac number, because 4223423401 - 2⁷ = 4223423273 is a prime.

It is a super-2 number, since 2×4223423401² = 35674610448228813602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4223423801) 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, 765426 + ... + 770923.

It is an arithmetic number, because the mean of its divisors is an integer number (1056240625).

Almost surely, 2^4223423401 is an apocalyptic number.

It is an amenable number.

4223423401 is a deficient number, since it is larger than the sum of its proper divisors (1539099).

4223423401 is a wasteful number, since it uses less digits than its factorization.

4223423401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539098.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 4223423401 is about 64987.8711837832. The cubic root of 4223423401 is about 1616.4224513994.

Adding to 4223423401 its reverse (1043243224), we get a palindrome (5266666625).

The spelling of 4223423401 in words is "four billion, two hundred twenty-three million, four hundred twenty-three thousand, four hundred one".