123020021221223 has 8 divisors (see below), whose sum is σ = 141620545807392. Its totient is φ = 104676055595136.

The previous prime is 123020021221219. The next prime is 123020021221271. The reversal of 123020021221223 is 322122120020321.

It is a happy number.

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 123020021221223 - 2² = 123020021221219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123020021220223) 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, 64139738990 + ... + 64139740907.

It is an arithmetic number, because the mean of its divisors is an integer number (17702568225924).

Almost surely, 2^{123020021221223} is an apocalyptic number.

123020021221223 is a deficient number, since it is larger than the sum of its proper divisors (18600524586169).

123020021221223 is a wasteful number, since it uses less digits than its factorization.

123020021221223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128279480041.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 123020021221223 its reverse (322122120020321), we get a palindrome (445142141241544).

The spelling of 123020021221223 in words is "one hundred twenty-three trillion, twenty billion, twenty-one million, two hundred twenty-one thousand, two hundred twenty-three".