320223101221123 has 4 divisors (see below), whose sum is σ = 320791881152808. Its totient is φ = 319654321289440.

The previous prime is 320223101221061. The next prime is 320223101221141. The reversal of 320223101221123 is 321122101322023.

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

It is a cyclic number.

It is not a de Polignac number, because 320223101221123 - 2¹⁷ = 320223101090051 is a prime.

It is a super-2 number, since 2×320223101221123² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320223101221183) 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, 284389964998 + ... + 284389966123.

It is an arithmetic number, because the mean of its divisors is an integer number (80197970288202).

Almost surely, 2^{320223101221123} is an apocalyptic number.

320223101221123 is a deficient number, since it is larger than the sum of its proper divisors (568779931685).

320223101221123 is an equidigital number, since it uses as much as digits as its factorization.

320223101221123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568779931684.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 320223101221123 its reverse (321122101322023), we get a palindrome (641345202543146).

The spelling of 320223101221123 in words is "three hundred twenty trillion, two hundred twenty-three billion, one hundred one million, two hundred twenty-one thousand, one hundred twenty-three".