423344254 has 4 divisors (see below), whose sum is σ = 635016384. Its totient is φ = 211672126.

The previous prime is 423344249. The next prime is 423344261. The reversal of 423344254 is 452443324.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105836062 + ... + 105836065.

It is an arithmetic number, because the mean of its divisors is an integer number (158754096).

Almost surely, 2^423344254 is an apocalyptic number.

423344254 is a deficient number, since it is larger than the sum of its proper divisors (211672130).

423344254 is a wasteful number, since it uses less digits than its factorization.

423344254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211672129.

The product of its digits is 46080, while the sum is 31.

The square root of 423344254 is about 20575.3312002505. The cubic root of 423344254 is about 750.8696602354.

Adding to 423344254 its reverse (452443324), we get a palindrome (875787578).

The spelling of 423344254 in words is "four hundred twenty-three million, three hundred forty-four thousand, two hundred fifty-four".