223121301323 has 16 divisors (see below), whose sum is σ = 230703605760. Its totient is φ = 215563420800.

The previous prime is 223121301301. The next prime is 223121301379. The reversal of 223121301323 is 323103121322.

It is a cyclic number.

It is not a de Polignac number, because 223121301323 - 2¹⁰ = 223121300299 is a prime.

It is a super-3 number, since 3×223121301323³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223120301323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77283386 + ... + 77286272.

It is an arithmetic number, because the mean of its divisors is an integer number (14418975360).

Almost surely, 2^223121301323 is an apocalyptic number.

223121301323 is a deficient number, since it is larger than the sum of its proper divisors (7582304437).

223121301323 is a wasteful number, since it uses less digits than its factorization.

223121301323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6218.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 223121301323 its reverse (323103121322), we get a palindrome (546224422645).

The spelling of 223121301323 in words is "two hundred twenty-three billion, one hundred twenty-one million, three hundred one thousand, three hundred twenty-three".