223834123 has 4 divisors (see below), whose sum is σ = 224468568. Its totient is φ = 223199680.

The previous prime is 223834111. The next prime is 223834139. The reversal of 223834123 is 321438322.

223834123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 223834123 - 2²¹ = 221736971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223834091 and 223834100.

It is not an unprimeable number, because it can be changed into a prime (223834153) 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, 316693 + ... + 317398.

It is an arithmetic number, because the mean of its divisors is an integer number (56117142).

Almost surely, 2^223834123 is an apocalyptic number.

223834123 is a deficient number, since it is larger than the sum of its proper divisors (634445).

223834123 is an equidigital number, since it uses as much as digits as its factorization.

223834123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634444.

The product of its digits is 6912, while the sum is 28.

The square root of 223834123 is about 14961.0869591751. The cubic root of 223834123 is about 607.1678465615.

The spelling of 223834123 in words is "two hundred twenty-three million, eight hundred thirty-four thousand, one hundred twenty-three".