203234013103123 has 4 divisors (see below), whose sum is σ = 203234045150128. Its totient is φ = 203233981056120.

The previous prime is 203234013103031. The next prime is 203234013103157. The reversal of 203234013103123 is 321301310432302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 203234013103123 - 2³³ = 203225423168531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203234013103091 and 203234013103100.

It is not an unprimeable number, because it can be changed into a prime (203234013103183) 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, 2961711 + ... + 20377432.

It is an arithmetic number, because the mean of its divisors is an integer number (50808511287532).

Almost surely, 2^{203234013103123} is an apocalyptic number.

203234013103123 is a deficient number, since it is larger than the sum of its proper divisors (32047005).

203234013103123 is an equidigital number, since it uses as much as digits as its factorization.

203234013103123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32047004.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 203234013103123 its reverse (321301310432302), we get a palindrome (524535323535425).

The spelling of 203234013103123 in words is "two hundred three trillion, two hundred thirty-four billion, thirteen million, one hundred three thousand, one hundred twenty-three".