14543231 has 2 divisors, whose sum is σ = 14543232. Its totient is φ = 14543230.

The previous prime is 14543219. The next prime is 14543237. The reversal of 14543231 is 13234541.

It is a strong prime.

It is an emirp because it is prime and its reverse (13234541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14543231 - 2¹⁸ = 14281087 is a prime.

It is a super-2 number, since 2×14543231² = 423011135838722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14543197 and 14543206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14543237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7271615 + 7271616.

It is an arithmetic number, because the mean of its divisors is an integer number (7271616).

Almost surely, 2^14543231 is an apocalyptic number.

14543231 is a deficient number, since it is larger than the sum of its proper divisors (1).

14543231 is an equidigital number, since it uses as much as digits as its factorization.

14543231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 23.

The square root of 14543231 is about 3813.5588365725. The cubic root of 14543231 is about 244.0920496108.

Adding to 14543231 its reverse (13234541), we get a palindrome (27777772).

The spelling of 14543231 in words is "fourteen million, five hundred forty-three thousand, two hundred thirty-one".