203221023223 has 2 divisors, whose sum is σ = 203221023224. Its totient is φ = 203221023222.

The previous prime is 203221023169. The next prime is 203221023233. The reversal of 203221023223 is 322320122302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203221023223 - 2²⁵ = 203187468791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203221023194 and 203221023203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203221023233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101610511611 + 101610511612.

It is an arithmetic number, because the mean of its divisors is an integer number (101610511612).

Almost surely, 2^203221023223 is an apocalyptic number.

203221023223 is a deficient number, since it is larger than the sum of its proper divisors (1).

203221023223 is an equidigital number, since it uses as much as digits as its factorization.

203221023223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 203221023223 its reverse (322320122302), we get a palindrome (525541145525).

The spelling of 203221023223 in words is "two hundred three billion, two hundred twenty-one million, twenty-three thousand, two hundred twenty-three".