14531223 has 16 divisors (see below), whose sum is σ = 22270976. Its totient is φ = 8255520.

The previous prime is 14531221. The next prime is 14531249. The reversal of 14531223 is 32213541.

It is not a de Polignac number, because 14531223 - 2¹ = 14531221 is a prime.

It is a super-2 number, since 2×14531223² = 422312883751458, which contains 22 as substring.

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

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 14531223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14531221) 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, 1890 + ... + 5712.

It is an arithmetic number, because the mean of its divisors is an integer number (1391936).

Almost surely, 2^14531223 is an apocalyptic number.

14531223 is a deficient number, since it is larger than the sum of its proper divisors (7739753).

14531223 is a wasteful number, since it uses less digits than its factorization.

14531223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014.

The product of its digits is 720, while the sum is 21.

The square root of 14531223 is about 3811.9841290331. The cubic root of 14531223 is about 244.0248507790.

Adding to 14531223 its reverse (32213541), we get a palindrome (46744764).

The spelling of 14531223 in words is "fourteen million, five hundred thirty-one thousand, two hundred twenty-three".