223121301023 has 8 divisors (see below), whose sum is σ = 223670185920. Its totient is φ = 222572561440.

The previous prime is 223121301001. The next prime is 223121301061. The reversal of 223121301023 is 320103121322.

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 223121301023 - 2¹² = 223121296927 is a prime.

It is a super-3 number, since 3×223121301023³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223121300986 and 223121301004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223121301083) 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, 3445661 + ... + 3509817.

It is an arithmetic number, because the mean of its divisors is an integer number (27958773240).

Almost surely, 2^223121301023 is an apocalyptic number.

223121301023 is a deficient number, since it is larger than the sum of its proper divisors (548884897).

223121301023 is an equidigital number, since it uses as much as digits as its factorization.

223121301023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72657.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 223121301023 its reverse (320103121322), we get a palindrome (543224422345).

The spelling of 223121301023 in words is "two hundred twenty-three billion, one hundred twenty-one million, three hundred one thousand, twenty-three".