203034122323 has 4 divisors (see below), whose sum is σ = 203530538680. Its totient is φ = 202537705968.

The previous prime is 203034122287. The next prime is 203034122329. The reversal of 203034122323 is 323221430302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323221430302 = 2 ⋅161610715151.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203034122323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203034122329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248207565 + ... + 248208382.

It is an arithmetic number, because the mean of its divisors is an integer number (50882634670).

Almost surely, 2^203034122323 is an apocalyptic number.

203034122323 is a deficient number, since it is larger than the sum of its proper divisors (496416357).

203034122323 is an equidigital number, since it uses as much as digits as its factorization.

203034122323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496416356.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 203034122323 its reverse (323221430302), we get a palindrome (526255552625).

The spelling of 203034122323 in words is "two hundred three billion, thirty-four million, one hundred twenty-two thousand, three hundred twenty-three".