4023123 has 16 divisors (see below), whose sum is σ = 5913600. Its totient is φ = 2417184.

The previous prime is 4023113. The next prime is 4023127. The reversal of 4023123 is 3213204.

It is not a de Polignac number, because 4023123 - 2⁸ = 4022867 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4023127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478 + ... + 2876.

It is an arithmetic number, because the mean of its divisors is an integer number (369600).

Almost surely, 2^4023123 is an apocalyptic number.

4023123 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

4023123 is a deficient number, since it is larger than the sum of its proper divisors (1890477).

4023123 is a wasteful number, since it uses less digits than its factorization.

4023123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 4023123 is about 2005.7724197924. The cubic root of 4023123 is about 159.0453966336.

Adding to 4023123 its reverse (3213204), we get a palindrome (7236327).

The spelling of 4023123 in words is "four million, twenty-three thousand, one hundred twenty-three".