122220231223 has 4 divisors (see below), whose sum is σ = 122220960400. Its totient is φ = 122219502048.

The previous prime is 122220231187. The next prime is 122220231229. The reversal of 122220231223 is 322132022221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122220231223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122220231194 and 122220231203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122220231229) 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, 27103 + ... + 495151.

It is an arithmetic number, because the mean of its divisors is an integer number (30555240100).

Almost surely, 2^122220231223 is an apocalyptic number.

122220231223 is a deficient number, since it is larger than the sum of its proper divisors (729177).

122220231223 is an equidigital number, since it uses as much as digits as its factorization.

122220231223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729176.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 122220231223 its reverse (322132022221), we get a palindrome (444352253444).

The spelling of 122220231223 in words is "one hundred twenty-two billion, two hundred twenty million, two hundred thirty-one thousand, two hundred twenty-three".