203002220123 has 16 divisors (see below), whose sum is σ = 207979349760. Its totient is φ = 198095451744.

The previous prime is 203002220119. The next prime is 203002220143. The reversal of 203002220123 is 321022200302.

203002220123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 203002220123 - 2² = 203002220119 is a prime.

It is a super-2 number, since 2×203002220123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203002220143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3295040 + ... + 3356082.

It is an arithmetic number, because the mean of its divisors is an integer number (12998709360).

Almost surely, 2^203002220123 is an apocalyptic number.

203002220123 is a deficient number, since it is larger than the sum of its proper divisors (4977129637).

203002220123 is a wasteful number, since it uses less digits than its factorization.

203002220123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61618.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 203002220123 its reverse (321022200302), we get a palindrome (524024420425).

The spelling of 203002220123 in words is "two hundred three billion, two million, two hundred twenty thousand, one hundred twenty-three".