4021023023 has 4 divisors (see below), whose sum is σ = 4081038360. Its totient is φ = 3961007688.

The previous prime is 4021022981. The next prime is 4021023031. The reversal of 4021023023 is 3203201204.

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 4021023023 - 2¹² = 4021018927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4021022992 and 4021023010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021020023) 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, 30007568 + ... + 30007701.

It is an arithmetic number, because the mean of its divisors is an integer number (1020259590).

Almost surely, 2^4021023023 is an apocalyptic number.

4021023023 is a deficient number, since it is larger than the sum of its proper divisors (60015337).

4021023023 is an equidigital number, since it uses as much as digits as its factorization.

4021023023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60015336.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 4021023023 is about 63411.5369865768. The cubic root of 4021023023 is about 1590.1771914655.

Adding to 4021023023 its reverse (3203201204), we get a palindrome (7224224227).

The spelling of 4021023023 in words is "four billion, twenty-one million, twenty-three thousand, twenty-three".