4007423 has 16 divisors (see below), whose sum is σ = 4992000. Its totient is φ = 3138912.

The previous prime is 4007413. The next prime is 4007429. The reversal of 4007423 is 3247004.

It is a happy number.

4007423 is nontrivially palindromic in base 11.

It is not a de Polignac number, because 4007423 - 2⁴ = 4007407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4007395 and 4007404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4007429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3338 + ... + 4376.

It is an arithmetic number, because the mean of its divisors is an integer number (312000).

Almost surely, 2^4007423 is an apocalyptic number.

4007423 is a deficient number, since it is larger than the sum of its proper divisors (984577).

4007423 is a wasteful number, since it uses less digits than its factorization.

4007423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 4007423 is about 2001.8548898459. The cubic root of 4007423 is about 158.8382385016.

It can be divided in two parts, 4007 and 423, that multiplied together give a palindrome (1694961).

The spelling of 4007423 in words is "four million, seven thousand, four hundred twenty-three".