423244669 has 4 divisors (see below), whose sum is σ = 423394560. Its totient is φ = 423094780.

The previous prime is 423244663. The next prime is 423244687. The reversal of 423244669 is 966442324.

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 not a de Polignac number, because 423244669 - 2¹³ = 423236477 is a prime.

It is a super-2 number, since 2×423244669² = 358272099673839122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423244663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70627 + ... + 76384.

It is an arithmetic number, because the mean of its divisors is an integer number (105848640).

Almost surely, 2^423244669 is an apocalyptic number.

It is an amenable number.

423244669 is a deficient number, since it is larger than the sum of its proper divisors (149891).

423244669 is a wasteful number, since it uses less digits than its factorization.

423244669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149890.

The product of its digits is 248832, while the sum is 40.

The square root of 423244669 is about 20572.9110482693. The cubic root of 423244669 is about 750.8107789046.

The spelling of 423244669 in words is "four hundred twenty-three million, two hundred forty-four thousand, six hundred sixty-nine".