203211314323 has 2 divisors, whose sum is σ = 203211314324. Its totient is φ = 203211314322.

The previous prime is 203211314321. The next prime is 203211314333. The reversal of 203211314323 is 323413112302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203211314323 - 2¹ = 203211314321 is a prime.

It is a super-2 number, since 2×203211314323² (a number of 23 digits) contains 22 as substring.

Together with 203211314321, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (203211314321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101605657161 + 101605657162.

It is an arithmetic number, because the mean of its divisors is an integer number (101605657162).

Almost surely, 2^203211314323 is an apocalyptic number.

203211314323 is a deficient number, since it is larger than the sum of its proper divisors (1).

203211314323 is an equidigital number, since it uses as much as digits as its factorization.

203211314323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 203211314323 its reverse (323413112302), we get a palindrome (526624426625).

The spelling of 203211314323 in words is "two hundred three billion, two hundred eleven million, three hundred fourteen thousand, three hundred twenty-three".