423887 has 2 divisors, whose sum is σ = 423888. Its totient is φ = 423886.

The previous prime is 423883. The next prime is 423931. The reversal of 423887 is 788324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423887 - 2² = 423883 is a prime.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211943 + 211944.

It is an arithmetic number, because the mean of its divisors is an integer number (211944).

2⁴²³⁸⁸⁷ is an apocalyptic number.

423887 is a deficient number, since it is larger than the sum of its proper divisors (1).

423887 is an equidigital number, since it uses as much as digits as its factorization.

423887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 32.

The square root of 423887 is about 651.0660488768. The cubic root of 423887 is about 75.1190405875.

The spelling of 423887 in words is "four hundred twenty-three thousand, eight hundred eighty-seven".