4223123210443 has 4 divisors (see below), whose sum is σ = 4471542222840. Its totient is φ = 3974704198048.

The previous prime is 4223123210353. The next prime is 4223123210489. The reversal of 4223123210443 is 3440123213224.

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 4223123210443 - 2¹³ = 4223123202251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4223123216443) 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, 124209506173 + ... + 124209506206.

It is an arithmetic number, because the mean of its divisors is an integer number (1117885555710).

Almost surely, 2^{4223123210443} is an apocalyptic number.

4223123210443 is a deficient number, since it is larger than the sum of its proper divisors (248419012397).

4223123210443 is a wasteful number, since it uses less digits than its factorization.

4223123210443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248419012396.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 4223123210443 its reverse (3440123213224), we get a palindrome (7663246423667).

The spelling of 4223123210443 in words is "four trillion, two hundred twenty-three billion, one hundred twenty-three million, two hundred ten thousand, four hundred forty-three".