203133220123 has 8 divisors (see below), whose sum is σ = 206839273088. Its totient is φ = 199452124224.

The previous prime is 203133220091. The next prime is 203133220127. The reversal of 203133220123 is 321022331302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203133220123 - 2⁵ = 203133220091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203133220094 and 203133220103.

It is not an unprimeable number, because it can be changed into a prime (203133220127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6222840 + ... + 6255397.

It is an arithmetic number, because the mean of its divisors is an integer number (25854909136).

Almost surely, 2^203133220123 is an apocalyptic number.

203133220123 is a deficient number, since it is larger than the sum of its proper divisors (3706052965).

203133220123 is a wasteful number, since it uses less digits than its factorization.

203133220123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12478533.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 203133220123 its reverse (321022331302), we get a palindrome (524155551425).

The spelling of 203133220123 in words is "two hundred three billion, one hundred thirty-three million, two hundred twenty thousand, one hundred twenty-three".