423313443 has 24 divisors (see below), whose sum is σ = 713676288. Its totient is φ = 236745072.

The previous prime is 423313441. The next prime is 423313487. The reversal of 423313443 is 344313324.

It is not a de Polignac number, because 423313443 - 2¹ = 423313441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423313441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68521 + ... + 74442.

It is an arithmetic number, because the mean of its divisors is an integer number (29736512).

Almost surely, 2^423313443 is an apocalyptic number.

423313443 is a deficient number, since it is larger than the sum of its proper divisors (290362845).

423313443 is a wasteful number, since it uses less digits than its factorization.

423313443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143023 (or 143020 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

The square root of 423313443 is about 20574.5824501981. The cubic root of 423313443 is about 750.8514436924.

Adding to 423313443 its reverse (344313324), we get a palindrome (767626767).

The spelling of 423313443 in words is "four hundred twenty-three million, three hundred thirteen thousand, four hundred forty-three".