14280231 has 16 divisors (see below), whose sum is σ = 21824000. Its totient is φ = 8136288.

The previous prime is 14280223. The next prime is 14280239. The reversal of 14280231 is 13208241.

It is an interprime number because it is at equal distance from previous prime (14280223) and next prime (14280239).

It is not a de Polignac number, because 14280231 - 2³ = 14280223 is a prime.

It is a super-2 number, since 2×14280231² = 407849994826722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14280198 and 14280207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14280239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8445 + ... + 9993.

It is an arithmetic number, because the mean of its divisors is an integer number (1364000).

Almost surely, 2^14280231 is an apocalyptic number.

14280231 is a deficient number, since it is larger than the sum of its proper divisors (7543769).

14280231 is a wasteful number, since it uses less digits than its factorization.

14280231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 14280231 is about 3778.9192899558. The cubic root of 14280231 is about 242.6117018252.

Adding to 14280231 its reverse (13208241), we get a palindrome (27488472).

The spelling of 14280231 in words is "fourteen million, two hundred eighty thousand, two hundred thirty-one".