223103123 has 4 divisors (see below), whose sum is σ = 224524320. Its totient is φ = 221681928.

The previous prime is 223103117. The next prime is 223103137. The reversal of 223103123 is 321301322.

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 223103123 - 2²² = 218908819 is a prime.

It is a super-3 number, since 3×223103123³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223103113) 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, 710363 + ... + 710676.

It is an arithmetic number, because the mean of its divisors is an integer number (56131080).

Almost surely, 2^223103123 is an apocalyptic number.

223103123 is a deficient number, since it is larger than the sum of its proper divisors (1421197).

223103123 is a wasteful number, since it uses less digits than its factorization.

223103123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421196.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 223103123 is about 14936.6369374100. The cubic root of 223103123 is about 606.5061605266.

Adding to 223103123 its reverse (321301322), we get a palindrome (544404445).

The spelling of 223103123 in words is "two hundred twenty-three million, one hundred three thousand, one hundred twenty-three".