214523 has 4 divisors (see below), whose sum is σ = 227160. Its totient is φ = 201888.

The previous prime is 214519. The next prime is 214531. The reversal of 214523 is 325412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 214523 - 2² = 214519 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 12619 = 214523 / (2 + 1 + 4 + 5 + 2 + 3).

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6293 + ... + 6326.

It is an arithmetic number, because the mean of its divisors is an integer number (56790).

2²¹⁴⁵²³ is an apocalyptic number.

214523 is a deficient number, since it is larger than the sum of its proper divisors (12637).

214523 is a wasteful number, since it uses less digits than its factorization.

214523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12636.

The product of its digits is 240, while the sum is 17.

The square root of 214523 is about 463.1662768380. The cubic root of 214523 is about 59.8629278329.

Adding to 214523 its reverse (325412), we get a palindrome (539935).

Subtracting 214523 from its reverse (325412), we obtain a square (110889 = 333²).

It can be divided in two parts, 214 and 523, that added together give a palindrome (737).

The spelling of 214523 in words is "two hundred fourteen thousand, five hundred twenty-three".