42344223 has 4 divisors (see below), whose sum is σ = 56458968. Its totient is φ = 28229480.

The previous prime is 42344189. The next prime is 42344231. The reversal of 42344223 is 32244324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42344223 - 2⁹ = 42343711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42344193 and 42344202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42344273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7057368 + ... + 7057373.

It is an arithmetic number, because the mean of its divisors is an integer number (14114742).

Almost surely, 2^42344223 is an apocalyptic number.

42344223 is a deficient number, since it is larger than the sum of its proper divisors (14114745).

42344223 is a wasteful number, since it uses less digits than its factorization.

42344223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14114744.

The product of its digits is 4608, while the sum is 24.

The square root of 42344223 is about 6507.2438866236. The cubic root of 42344223 is about 348.5497075781.

Adding to 42344223 its reverse (32244324), we get a palindrome (74588547).

The spelling of 42344223 in words is "forty-two million, three hundred forty-four thousand, two hundred twenty-three".