123044223 has 4 divisors (see below), whose sum is σ = 164058968. Its totient is φ = 82029480.

The previous prime is 123044183. The next prime is 123044279. The reversal of 123044223 is 322440321.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 123044223 - 2⁸ = 123043967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123044223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123044293) 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, 20507368 + ... + 20507373.

It is an arithmetic number, because the mean of its divisors is an integer number (41014742).

Almost surely, 2^123044223 is an apocalyptic number.

123044223 is a deficient number, since it is larger than the sum of its proper divisors (41014745).

123044223 is an equidigital number, since it uses as much as digits as its factorization.

123044223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41014744.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 123044223 is about 11092.5300540499. The cubic root of 123044223 is about 497.3785776417.

Adding to 123044223 its reverse (322440321), we get a palindrome (445484544).

The spelling of 123044223 in words is "one hundred twenty-three million, forty-four thousand, two hundred twenty-three".