423304749 has 24 divisors (see below), whose sum is σ = 702711360. Its totient is φ = 240530688.

The previous prime is 423304747. The next prime is 423304751. The reversal of 423304749 is 947403324.

It is an interprime number because it is at equal distance from previous prime (423304747) and next prime (423304751).

It is not a de Polignac number, because 423304749 - 2¹ = 423304747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423304741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7492 + ... + 30045.

It is an arithmetic number, because the mean of its divisors is an integer number (29279640).

Almost surely, 2^423304749 is an apocalyptic number.

It is an amenable number.

423304749 is a deficient number, since it is larger than the sum of its proper divisors (279406611).

423304749 is a wasteful number, since it uses less digits than its factorization.

423304749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37729 (or 37726 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 423304749 is about 20574.3711690054. The cubic root of 423304749 is about 750.8463033350.

The spelling of 423304749 in words is "four hundred twenty-three million, three hundred four thousand, seven hundred forty-nine".