223120230303121 has 4 divisors (see below), whose sum is σ = 225094745615652. Its totient is φ = 221145714990592.

The previous prime is 223120230303109. The next prime is 223120230303151. The reversal of 223120230303121 is 121303032021322.

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

It can be written as a sum of positive squares in 2 ways, for example, as 35674996851025 + 187445233452096 = 5972855^2 + 13691064^2 .

It is a cyclic number.

It is not a de Polignac number, because 223120230303121 - 2²¹ = 223120228205969 is a prime.

It is a super-3 number, since 3×223120230303121³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223120230303151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 987257656096 + ... + 987257656321.

It is an arithmetic number, because the mean of its divisors is an integer number (56273686403913).

Almost surely, 2^{223120230303121} is an apocalyptic number.

It is an amenable number.

223120230303121 is a deficient number, since it is larger than the sum of its proper divisors (1974515312531).

223120230303121 is a wasteful number, since it uses less digits than its factorization.

223120230303121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974515312530.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 223120230303121 its reverse (121303032021322), we get a palindrome (344423262324443).

The spelling of 223120230303121 in words is "two hundred twenty-three trillion, one hundred twenty billion, two hundred thirty million, three hundred three thousand, one hundred twenty-one".