423996823 has 8 divisors (see below), whose sum is σ = 433344960. Its totient is φ = 414662400.

The previous prime is 423996821. The next prime is 423996841. The reversal of 423996823 is 328699324.

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 423996823 - 2¹ = 423996821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423996821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82143 + ... + 87151.

It is an arithmetic number, because the mean of its divisors is an integer number (54168120).

Almost surely, 2^423996823 is an apocalyptic number.

423996823 is a deficient number, since it is larger than the sum of its proper divisors (9348137).

423996823 is a wasteful number, since it uses less digits than its factorization.

423996823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6857.

The product of its digits is 559872, while the sum is 46.

The square root of 423996823 is about 20591.1831374499. The cubic root of 423996823 is about 751.2552744685.

The spelling of 423996823 in words is "four hundred twenty-three million, nine hundred ninety-six thousand, eight hundred twenty-three".