423311043 has 16 divisors (see below), whose sum is σ = 581865120. Its totient is φ = 273540096.

The previous prime is 423311041. The next prime is 423311059. The reversal of 423311043 is 340113324.

It is not a de Polignac number, because 423311043 - 2¹ = 423311041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423311041) 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, 22771 + ... + 36947.

It is an arithmetic number, because the mean of its divisors is an integer number (36366570).

Almost surely, 2^423311043 is an apocalyptic number.

423311043 is a deficient number, since it is larger than the sum of its proper divisors (158554077).

423311043 is a wasteful number, since it uses less digits than its factorization.

423311043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14486.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 423311043 is about 20574.5241257240. The cubic root of 423311043 is about 750.8500246912.

Adding to 423311043 its reverse (340113324), we get a palindrome (763424367).

The spelling of 423311043 in words is "four hundred twenty-three million, three hundred eleven thousand, forty-three".