4423233145 has 24 divisors (see below), whose sum is σ = 5646599424. Its totient is φ = 3325637376.

The previous prime is 4423233131. The next prime is 4423233163. The reversal of 4423233145 is 5413323244.

It is a happy number.

It is not a de Polignac number, because 4423233145 - 2⁹ = 4423232633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1245262 + ... + 1248808.

It is an arithmetic number, because the mean of its divisors is an integer number (235274976).

Almost surely, 2^4423233145 is an apocalyptic number.

It is an amenable number.

4423233145 is a deficient number, since it is larger than the sum of its proper divisors (1223366279).

4423233145 is a wasteful number, since it uses less digits than its factorization.

4423233145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4449 (or 4432 counting only the distinct ones).

The product of its digits is 34560, while the sum is 31.

The square root of 4423233145 is about 66507.3916568677. The cubic root of 4423233145 is about 1641.5216326933.

Adding to 4423233145 its reverse (5413323244), we get a palindrome (9836556389).

Subtracting 4423233145 from its reverse (5413323244), we obtain a palindrome (990090099).

It can be divided in two parts, 44232 and 33145, that added together give a palindrome (77377).

The spelling of 4423233145 in words is "four billion, four hundred twenty-three million, two hundred thirty-three thousand, one hundred forty-five".