1204123223 has 8 divisors (see below), whose sum is σ = 1214250240. Its totient is φ = 1194017400.

The previous prime is 1204123211. The next prime is 1204123229. The reversal of 1204123223 is 3223214021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1204123223 - 2⁶ = 1204123159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1204123195 and 1204123204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204123229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121298 + ... + 130848.

It is an arithmetic number, because the mean of its divisors is an integer number (151781280).

Almost surely, 2^1204123223 is an apocalyptic number.

1204123223 is a deficient number, since it is larger than the sum of its proper divisors (10127017).

1204123223 is an equidigital number, since it uses as much as digits as its factorization.

1204123223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10597.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1204123223 is about 34700.4787142771. The cubic root of 1204123223 is about 1063.8742829092.

Adding to 1204123223 its reverse (3223214021), we get a palindrome (4427337244).

The spelling of 1204123223 in words is "one billion, two hundred four million, one hundred twenty-three thousand, two hundred twenty-three".