423920323 has 8 divisors (see below), whose sum is σ = 433540800. Its totient is φ = 414396840.

The previous prime is 423920309. The next prime is 423920327. The reversal of 423920323 is 323029324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423920323 - 2¹³ = 423912131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423920291 and 423920300.

It is not an unprimeable number, because it can be changed into a prime (423920327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15373 + ... + 32926.

It is an arithmetic number, because the mean of its divisors is an integer number (54192600).

Almost surely, 2^423920323 is an apocalyptic number.

423920323 is a deficient number, since it is larger than the sum of its proper divisors (9620477).

423920323 is a wasteful number, since it uses less digits than its factorization.

423920323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48497.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 423920323 is about 20589.3254624818. The cubic root of 423920323 is about 751.2100897862.

Adding to 423920323 its reverse (323029324), we get a palindrome (746949647).

The spelling of 423920323 in words is "four hundred twenty-three million, nine hundred twenty thousand, three hundred twenty-three".