223033434312121 has 4 divisors (see below), whose sum is σ = 223707251334544. Its totient is φ = 222359617289700.

The previous prime is 223033434312089. The next prime is 223033434312137. The reversal of 223033434312121 is 121213434330322.

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 223033434312121 - 2⁵ = 223033434312089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223033434312421) 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, 336908510715 + ... + 336908511376.

It is an arithmetic number, because the mean of its divisors is an integer number (55926812833636).

Almost surely, 2^{223033434312121} is an apocalyptic number.

It is an amenable number.

223033434312121 is a deficient number, since it is larger than the sum of its proper divisors (673817022423).

223033434312121 is an equidigital number, since it uses as much as digits as its factorization.

223033434312121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673817022422.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 223033434312121 its reverse (121213434330322), we get a palindrome (344246868642443).

The spelling of 223033434312121 in words is "two hundred twenty-three trillion, thirty-three billion, four hundred thirty-four million, three hundred twelve thousand, one hundred twenty-one".