223101221023 has 2 divisors, whose sum is σ = 223101221024. Its totient is φ = 223101221022.

The previous prime is 223101221017. The next prime is 223101221033. The reversal of 223101221023 is 320122101322.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223101221023 is a prime.

It is a super-3 number, since 3×223101221023³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223101221003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111550610511 + 111550610512.

It is an arithmetic number, because the mean of its divisors is an integer number (111550610512).

Almost surely, 2^223101221023 is an apocalyptic number.

223101221023 is a deficient number, since it is larger than the sum of its proper divisors (1).

223101221023 is an equidigital number, since it uses as much as digits as its factorization.

223101221023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 223101221023 its reverse (320122101322), we get a palindrome (543223322345).

The spelling of 223101221023 in words is "two hundred twenty-three billion, one hundred one million, two hundred twenty-one thousand, twenty-three".