423897 has 8 divisors (see below), whose sum is σ = 571200. Its totient is φ = 279600.

The previous prime is 423887. The next prime is 423931. The reversal of 423897 is 798324.

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

It is not a de Polignac number, because 423897 - 2⁷ = 423769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397 + ... + 1002.

It is an arithmetic number, because the mean of its divisors is an integer number (71400).

2⁴²³⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

423897 is a deficient number, since it is larger than the sum of its proper divisors (147303).

423897 is a wasteful number, since it uses less digits than its factorization.

423897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503.

The product of its digits is 12096, while the sum is 33.

The square root of 423897 is about 651.0737285439. The cubic root of 423897 is about 75.1196312988.

Adding to 423897 its reverse (798324), we get a palindrome (1222221).

The spelling of 423897 in words is "four hundred twenty-three thousand, eight hundred ninety-seven".