4442111123 has 2 divisors, whose sum is σ = 4442111124. Its totient is φ = 4442111122.

The previous prime is 4442111111. The next prime is 4442111159. The reversal of 4442111123 is 3211112444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4442111123 - 2⁸ = 4442110867 is a prime.

It is a super-2 number, since 2×4442111123² = 39464702458160642258, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (4442161123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2221055561 + 2221055562.

It is an arithmetic number, because the mean of its divisors is an integer number (2221055562).

Almost surely, 2^4442111123 is an apocalyptic number.

4442111123 is a deficient number, since it is larger than the sum of its proper divisors (1).

4442111123 is an equidigital number, since it uses as much as digits as its factorization.

4442111123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 23.

The square root of 4442111123 is about 66649.1644583786. The cubic root of 4442111123 is about 1643.8536092450.

Adding to 4442111123 its reverse (3211112444), we get a palindrome (7653223567).

The spelling of 4442111123 in words is "four billion, four hundred forty-two million, one hundred eleven thousand, one hundred twenty-three".