4012144223 has 4 divisors (see below), whose sum is σ = 4012351200. Its totient is φ = 4011937248.

The previous prime is 4012144207. The next prime is 4012144243. The reversal of 4012144223 is 3224412104.

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 4012144223 - 2⁴ = 4012144207 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 (4012144243) 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, 71015 + ... + 114312.

It is an arithmetic number, because the mean of its divisors is an integer number (1003087800).

Almost surely, 2^4012144223 is an apocalyptic number.

4012144223 is a deficient number, since it is larger than the sum of its proper divisors (206977).

4012144223 is a wasteful number, since it uses less digits than its factorization.

4012144223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206976.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 4012144223 is about 63341.4889547128. The cubic root of 4012144223 is about 1589.0059082817.

Adding to 4012144223 its reverse (3224412104), we get a palindrome (7236556327).

The spelling of 4012144223 in words is "four billion, twelve million, one hundred forty-four thousand, two hundred twenty-three".