4423223166442 has 32 divisors (see below), whose sum is σ = 7215273262080. Its totient is φ = 2025179285760.

The previous prime is 4423223166431. The next prime is 4423223166449. The reversal of 4423223166442 is 2446613223244.

It is not an unprimeable number, because it can be changed into a prime (4423223166449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41550159 + ... + 41656477.

It is an arithmetic number, because the mean of its divisors is an integer number (225477289440).

Almost surely, 2^{4423223166442} is an apocalyptic number.

4423223166442 is a deficient number, since it is larger than the sum of its proper divisors (2792050095638).

4423223166442 is a wasteful number, since it uses less digits than its factorization.

4423223166442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139446.

The product of its digits is 1327104, while the sum is 43.

Adding to 4423223166442 its reverse (2446613223244), we get a palindrome (6869836389686).

The spelling of 4423223166442 in words is "four trillion, four hundred twenty-three billion, two hundred twenty-three million, one hundred sixty-six thousand, four hundred forty-two".