203202044123 has 16 divisors (see below), whose sum is σ = 231855472800. Its totient is φ = 176423256576.

The previous prime is 203202044099. The next prime is 203202044141. The reversal of 203202044123 is 321440202302.

It is a cyclic number.

It is not a de Polignac number, because 203202044123 - 2²⁶ = 203134935259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203202044153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45536 + ... + 639122.

It is an arithmetic number, because the mean of its divisors is an integer number (14490967050).

Almost surely, 2^203202044123 is an apocalyptic number.

203202044123 is a deficient number, since it is larger than the sum of its proper divisors (28653428677).

203202044123 is a wasteful number, since it uses less digits than its factorization.

203202044123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595166.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 203202044123 its reverse (321440202302), we get a palindrome (524642246425).

The spelling of 203202044123 in words is "two hundred three billion, two hundred two million, forty-four thousand, one hundred twenty-three".