4072423 has 4 divisors (see below), whose sum is σ = 4098520. Its totient is φ = 4046328.

The previous prime is 4072417. The next prime is 4072427. The reversal of 4072423 is 3242704.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4072423 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 4072394 and 4072403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4072427) 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, 12813 + ... + 13126.

It is an arithmetic number, because the mean of its divisors is an integer number (1024630).

Almost surely, 2^4072423 is an apocalyptic number.

4072423 is a deficient number, since it is larger than the sum of its proper divisors (26097).

4072423 is a wasteful number, since it uses less digits than its factorization.

4072423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26096.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 4072423 is about 2018.0245290878. The cubic root of 4072423 is about 159.6924168954.

The spelling of 4072423 in words is "four million, seventy-two thousand, four hundred twenty-three".