203303420923 has 2 divisors, whose sum is σ = 203303420924. Its totient is φ = 203303420922.

The previous prime is 203303420867. The next prime is 203303420927. The reversal of 203303420923 is 329024303302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203303420923 - 2¹³ = 203303412731 is a prime.

It is not a weakly prime, because it can be changed into another prime (203303420927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101651710461 + 101651710462.

It is an arithmetic number, because the mean of its divisors is an integer number (101651710462).

Almost surely, 2^203303420923 is an apocalyptic number.

203303420923 is a deficient number, since it is larger than the sum of its proper divisors (1).

203303420923 is an equidigital number, since it uses as much as digits as its factorization.

203303420923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 31.

The spelling of 203303420923 in words is "two hundred three billion, three hundred three million, four hundred twenty thousand, nine hundred twenty-three".