203332002123 has 4 divisors (see below), whose sum is σ = 271109336168. Its totient is φ = 135554668080.

The previous prime is 203332002109. The next prime is 203332002157. The reversal of 203332002123 is 321200233302.

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

It is not a de Polignac number, because 203332002123 - 2⁶ = 203332002059 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203332002123.

It is not an unprimeable number, because it can be changed into a prime (203332002173) 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, 33888667018 + ... + 33888667023.

It is an arithmetic number, because the mean of its divisors is an integer number (67777334042).

Almost surely, 2^203332002123 is an apocalyptic number.

203332002123 is a deficient number, since it is larger than the sum of its proper divisors (67777334045).

203332002123 is an equidigital number, since it uses as much as digits as its factorization.

203332002123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67777334044.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 203332002123 its reverse (321200233302), we get a palindrome (524532235425).

The spelling of 203332002123 in words is "two hundred three billion, three hundred thirty-two million, two thousand, one hundred twenty-three".