203243213003 has 2 divisors, whose sum is σ = 203243213004. Its totient is φ = 203243213002.

The previous prime is 203243212961. The next prime is 203243213027. The reversal of 203243213003 is 300312342302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203243213003 - 2¹² = 203243208907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 203243213003.

It is not a weakly prime, because it can be changed into another prime (203243233003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101621606501 + 101621606502.

It is an arithmetic number, because the mean of its divisors is an integer number (101621606502).

Almost surely, 2^203243213003 is an apocalyptic number.

203243213003 is a deficient number, since it is larger than the sum of its proper divisors (1).

203243213003 is an equidigital number, since it uses as much as digits as its factorization.

203243213003 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 23.

Adding to 203243213003 its reverse (300312342302), we get a palindrome (503555555305).

The spelling of 203243213003 in words is "two hundred three billion, two hundred forty-three million, two hundred thirteen thousand, three".