4023011 has 4 divisors (see below), whose sum is σ = 4089024. Its totient is φ = 3957000.

The previous prime is 4023001. The next prime is 4023017. The reversal of 4023011 is 1103204.

It is a happy number.

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-4023011 is a prime.

It is a super-2 number, since 2×4023011² = 32369235012242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4022983 and 4023001.

It is not an unprimeable number, because it can be changed into a prime (4023017) 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 3 ways as a sum of consecutive naturals, for example, 32915 + ... + 33036.

It is an arithmetic number, because the mean of its divisors is an integer number (1022256).

Almost surely, 2^4023011 is an apocalyptic number.

4023011 is a deficient number, since it is larger than the sum of its proper divisors (66013).

4023011 is an equidigital number, since it uses as much as digits as its factorization.

4023011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66012.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 4023011 is about 2005.7445001794. The cubic root of 4023011 is about 159.0439207279.

Adding to 4023011 its reverse (1103204), we get a palindrome (5126215).

The spelling of 4023011 in words is "four million, twenty-three thousand, eleven".