224002123 has 4 divisors (see below), whose sum is σ = 224046160. Its totient is φ = 223958088.

The previous prime is 224002111. The next prime is 224002127. The reversal of 224002123 is 321200422.

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 224002123 - 2⁵ = 224002091 is a prime.

It is a super-2 number, since 2×224002123² = 100353902217014258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 224002097 and 224002106.

It is not an unprimeable number, because it can be changed into a prime (224002127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13215 + ... + 24952.

It is an arithmetic number, because the mean of its divisors is an integer number (56011540).

Almost surely, 2^224002123 is an apocalyptic number.

224002123 is a deficient number, since it is larger than the sum of its proper divisors (44037).

224002123 is an equidigital number, since it uses as much as digits as its factorization.

224002123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44036.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 224002123 is about 14966.7004713798. The cubic root of 224002123 is about 607.3197130234.

Adding to 224002123 its reverse (321200422), we get a palindrome (545202545).

The spelling of 224002123 in words is "two hundred twenty-four million, two thousand, one hundred twenty-three".