42430223 has 6 divisors (see below), whose sum is σ = 46638312. Its totient is φ = 38572820.

The previous prime is 42430139. The next prime is 42430253. The reversal of 42430223 is 32203424.

It is not a de Polignac number, because 42430223 - 2²² = 38235919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42430195 and 42430204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42430253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 175211 + ... + 175452.

It is an arithmetic number, because the mean of its divisors is an integer number (7773052).

Almost surely, 2^42430223 is an apocalyptic number.

42430223 is a deficient number, since it is larger than the sum of its proper divisors (4208089).

42430223 is a wasteful number, since it uses less digits than its factorization.

42430223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350685 (or 350674 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 42430223 is about 6513.8485551938. The cubic root of 42430223 is about 348.7855130993.

Adding to 42430223 its reverse (32203424), we get a palindrome (74633647).

The spelling of 42430223 in words is "forty-two million, four hundred thirty thousand, two hundred twenty-three".