203313121024423 has 2 divisors, whose sum is σ = 203313121024424. Its totient is φ = 203313121024422.

The previous prime is 203313121024417. The next prime is 203313121024439. The reversal of 203313121024423 is 324420121313302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203313121024423 - 2³³ = 203304531089831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203313121004423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101656560512211 + 101656560512212.

It is an arithmetic number, because the mean of its divisors is an integer number (101656560512212).

Almost surely, 2^{203313121024423} is an apocalyptic number.

203313121024423 is a deficient number, since it is larger than the sum of its proper divisors (1).

203313121024423 is an equidigital number, since it uses as much as digits as its factorization.

203313121024423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 203313121024423 its reverse (324420121313302), we get a palindrome (527733242337725).

The spelling of 203313121024423 in words is "two hundred three trillion, three hundred thirteen billion, one hundred twenty-one million, twenty-four thousand, four hundred twenty-three".