4021214023 has 4 divisors (see below), whose sum is σ = 4037235048. Its totient is φ = 4005193000.

The previous prime is 4021214003. The next prime is 4021214047. The reversal of 4021214023 is 3204121204.

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-4021214023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021214003) 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, 8010136 + ... + 8010637.

It is an arithmetic number, because the mean of its divisors is an integer number (1009308762).

Almost surely, 2^4021214023 is an apocalyptic number.

4021214023 is a deficient number, since it is larger than the sum of its proper divisors (16021025).

4021214023 is a wasteful number, since it uses less digits than its factorization.

4021214023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16021024.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 4021214023 is about 63413.0430037859. The cubic root of 4021214023 is about 1590.2023690578.

Adding to 4021214023 its reverse (3204121204), we get a palindrome (7225335227).

The spelling of 4021214023 in words is "four billion, twenty-one million, two hundred fourteen thousand, twenty-three".