223340123 has 4 divisors (see below), whose sum is σ = 224839200. Its totient is φ = 221841048.

The previous prime is 223340119. The next prime is 223340141. The reversal of 223340123 is 321043322.

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 223340123 - 2² = 223340119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223340095 and 223340104.

It is not an unprimeable number, because it can be changed into a prime (223340113) 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, 749315 + ... + 749612.

It is an arithmetic number, because the mean of its divisors is an integer number (56209800).

Almost surely, 2^223340123 is an apocalyptic number.

223340123 is a deficient number, since it is larger than the sum of its proper divisors (1499077).

223340123 is a wasteful number, since it uses less digits than its factorization.

223340123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499076.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 223340123 is about 14944.5683443852. The cubic root of 223340123 is about 606.7208461387.

Adding to 223340123 its reverse (321043322), we get a palindrome (544383445).

The spelling of 223340123 in words is "two hundred twenty-three million, three hundred forty thousand, one hundred twenty-three".