223340430121 has 4 divisors (see below), whose sum is σ = 227125861200. Its totient is φ = 219554999044.

The previous prime is 223340430119. The next prime is 223340430133. The reversal of 223340430121 is 121034043322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 223340430121 - 2¹ = 223340430119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223340430151) 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, 1892715451 + ... + 1892715568.

It is an arithmetic number, because the mean of its divisors is an integer number (56781465300).

Almost surely, 2^223340430121 is an apocalyptic number.

It is an amenable number.

223340430121 is a deficient number, since it is larger than the sum of its proper divisors (3785431079).

223340430121 is an equidigital number, since it uses as much as digits as its factorization.

223340430121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785431078.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 223340430121 its reverse (121034043322), we get a palindrome (344374473443).

The spelling of 223340430121 in words is "two hundred twenty-three billion, three hundred forty million, four hundred thirty thousand, one hundred twenty-one".