203102203123 has 8 divisors (see below), whose sum is σ = 215053976592. Its totient is φ = 191150939136.

The previous prime is 203102203099. The next prime is 203102203127. The reversal of 203102203123 is 321302201302.

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 203102203123 - 2⁵ = 203102203091 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 203102203123.

It is not an unprimeable number, because it can be changed into a prime (203102203127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 957411 + ... + 1150147.

It is an arithmetic number, because the mean of its divisors is an integer number (26881747074).

Almost surely, 2^203102203123 is an apocalyptic number.

203102203123 is a deficient number, since it is larger than the sum of its proper divisors (11951773469).

203102203123 is a wasteful number, since it uses less digits than its factorization.

203102203123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254741.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 203102203123 its reverse (321302201302), we get a palindrome (524404404425).

The spelling of 203102203123 in words is "two hundred three billion, one hundred two million, two hundred three thousand, one hundred twenty-three".