423087 has 8 divisors (see below), whose sum is σ = 644736. Its totient is φ = 241752.

The previous prime is 423083. The next prime is 423091. The reversal of 423087 is 780324.

It is an interprime number because it is at equal distance from previous prime (423083) and next prime (423091).

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

It is not a de Polignac number, because 423087 - 2² = 423083 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

423087 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423083) 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, 10053 + ... + 10094.

It is an arithmetic number, because the mean of its divisors is an integer number (80592).

2⁴²³⁰⁸⁷ is an apocalyptic number.

423087 is a deficient number, since it is larger than the sum of its proper divisors (221649).

423087 is a wasteful number, since it uses less digits than its factorization.

423087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20157.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 423087 is about 650.4513817343. The cubic root of 423087 is about 75.0717535527.

The spelling of 423087 in words is "four hundred twenty-three thousand, eighty-seven".