223333130021 has 2 divisors, whose sum is σ = 223333130022. Its totient is φ = 223333130020.

The previous prime is 223333129991. The next prime is 223333130023. The reversal of 223333130021 is 120031333322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143102567521 + 80230562500 = 378289^2 + 283250^2 .

It is a cyclic number.

It is not a de Polignac number, because 223333130021 - 2¹⁴ = 223333113637 is a prime.

Together with 223333130023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223333130023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111666565010 + 111666565011.

It is an arithmetic number, because the mean of its divisors is an integer number (111666565011).

Almost surely, 2^223333130021 is an apocalyptic number.

It is an amenable number.

223333130021 is a deficient number, since it is larger than the sum of its proper divisors (1).

223333130021 is an equidigital number, since it uses as much as digits as its factorization.

223333130021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 223333130021 its reverse (120031333322), we get a palindrome (343364463343).

The spelling of 223333130021 in words is "two hundred twenty-three billion, three hundred thirty-three million, one hundred thirty thousand, twenty-one".