4123213223 has 2 divisors, whose sum is σ = 4123213224. Its totient is φ = 4123213222.

The previous prime is 4123213219. The next prime is 4123213309. The reversal of 4123213223 is 3223123214.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4123213223 - 2² = 4123213219 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4123218223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2061606611 + 2061606612.

It is an arithmetic number, because the mean of its divisors is an integer number (2061606612).

Almost surely, 2^4123213223 is an apocalyptic number.

4123213223 is a deficient number, since it is larger than the sum of its proper divisors (1).

4123213223 is an equidigital number, since it uses as much as digits as its factorization.

4123213223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 23.

The square root of 4123213223 is about 64212.2513466083. The cubic root of 4123213223 is about 1603.5355699973.

Adding to 4123213223 its reverse (3223123214), we get a palindrome (7346336437).

Subtracting from 4123213223 its reverse (3223123214), we obtain a palindrome (900090009).

The spelling of 4123213223 in words is "four billion, one hundred twenty-three million, two hundred thirteen thousand, two hundred twenty-three".