203315523223 has 2 divisors, whose sum is σ = 203315523224. Its totient is φ = 203315523222.

The previous prime is 203315523221. The next prime is 203315523227. The reversal of 203315523223 is 322325513302.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203315523223 - 2¹ = 203315523221 is a prime.

Together with 203315523221, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203315523221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101657761611 + 101657761612.

It is an arithmetic number, because the mean of its divisors is an integer number (101657761612).

Almost surely, 2^203315523223 is an apocalyptic number.

203315523223 is a deficient number, since it is larger than the sum of its proper divisors (1).

203315523223 is an equidigital number, since it uses as much as digits as its factorization.

203315523223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 31.

The spelling of 203315523223 in words is "two hundred three billion, three hundred fifteen million, five hundred twenty-three thousand, two hundred twenty-three".