424142233 has 4 divisors (see below), whose sum is σ = 424424448. Its totient is φ = 423860020.

The previous prime is 424142221. The next prime is 424142261. The reversal of 424142233 is 332241424.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424142233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424142198 and 424142207.

It is not an unprimeable number, because it can be changed into a prime (424142203) 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, 138841 + ... + 141862.

It is an arithmetic number, because the mean of its divisors is an integer number (106106112).

Almost surely, 2^424142233 is an apocalyptic number.

It is an amenable number.

424142233 is a deficient number, since it is larger than the sum of its proper divisors (282215).

424142233 is a wasteful number, since it uses less digits than its factorization.

424142233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282214.

The product of its digits is 4608, while the sum is 25.

The square root of 424142233 is about 20594.7137149318. The cubic root of 424142233 is about 751.3411458225.

Adding to 424142233 its reverse (332241424), we get a palindrome (756383657).

The spelling of 424142233 in words is "four hundred twenty-four million, one hundred forty-two thousand, two hundred thirty-three".