123223211 has 8 divisors (see below), whose sum is σ = 126826560. Its totient is φ = 119670472.

The previous prime is 123223207. The next prime is 123223249. The reversal of 123223211 is 112322321.

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 123223211 - 2² = 123223207 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 123223211.

It is not an unprimeable number, because it can be changed into a prime (123223511) 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, 7685 + ... + 17478.

It is an arithmetic number, because the mean of its divisors is an integer number (15853320).

Almost surely, 2^123223211 is an apocalyptic number.

123223211 is a deficient number, since it is larger than the sum of its proper divisors (3603349).

123223211 is an equidigital number, since it uses as much as digits as its factorization.

123223211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25305.

The product of its digits is 144, while the sum is 17.

The square root of 123223211 is about 11100.5950741390. The cubic root of 123223211 is about 497.6196336958.

Adding to 123223211 its reverse (112322321), we get a palindrome (235545532).

It can be divided in two parts, 12 and 3223211, that added together give a palindrome (3223223).

The spelling of 123223211 in words is "one hundred twenty-three million, two hundred twenty-three thousand, two hundred eleven".