4022423 has 4 divisors (see below), whose sum is σ = 4045848. Its totient is φ = 3999000.

The previous prime is 4022419. The next prime is 4022437. The reversal of 4022423 is 3242204.

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 4022423 - 2² = 4022419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4022483) 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, 11453 + ... + 11798.

It is an arithmetic number, because the mean of its divisors is an integer number (1011462).

Almost surely, 2^4022423 is an apocalyptic number.

4022423 is a deficient number, since it is larger than the sum of its proper divisors (23425).

4022423 is a wasteful number, since it uses less digits than its factorization.

4022423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23424.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 4022423 is about 2005.5979158346. The cubic root of 4022423 is about 159.0361717739.

Adding to 4022423 its reverse (3242204), we get a palindrome (7264627).

The spelling of 4022423 in words is "four million, twenty-two thousand, four hundred twenty-three".