423289733 has 4 divisors (see below), whose sum is σ = 445568160. Its totient is φ = 401011308.

The previous prime is 423289703. The next prime is 423289759. The reversal of 423289733 is 337982324.

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 423289733 - 2¹⁰ = 423288709 is a prime.

It is a super-2 number, since 2×423289733² = 358348396126422578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423289703) 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, 11139185 + ... + 11139222.

It is an arithmetic number, because the mean of its divisors is an integer number (111392040).

Almost surely, 2^423289733 is an apocalyptic number.

It is an amenable number.

423289733 is a deficient number, since it is larger than the sum of its proper divisors (22278427).

423289733 is a wasteful number, since it uses less digits than its factorization.

423289733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22278426.

The product of its digits is 217728, while the sum is 41.

The square root of 423289733 is about 20574.0062457461. The cubic root of 423289733 is about 750.8374249076.

The spelling of 423289733 in words is "four hundred twenty-three million, two hundred eighty-nine thousand, seven hundred thirty-three".