224012123 has 4 divisors (see below), whose sum is σ = 224839008. Its totient is φ = 223185240.

The previous prime is 224012101. The next prime is 224012141. The reversal of 224012123 is 321210422.

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 224012123 - 2¹⁸ = 223749979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224012143) 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, 413036 + ... + 413577.

It is an arithmetic number, because the mean of its divisors is an integer number (56209752).

Almost surely, 2^224012123 is an apocalyptic number.

224012123 is a deficient number, since it is larger than the sum of its proper divisors (826885).

224012123 is an equidigital number, since it uses as much as digits as its factorization.

224012123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826884.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 224012123 is about 14967.0345426207. The cubic root of 224012123 is about 607.3287502989.

Adding to 224012123 its reverse (321210422), we get a palindrome (545222545).

The spelling of 224012123 in words is "two hundred twenty-four million, twelve thousand, one hundred twenty-three".