203120423 has 16 divisors (see below), whose sum is σ = 226271232. Its totient is φ = 180780000.

The previous prime is 203120413. The next prime is 203120441. The reversal of 203120423 is 324021302.

It is a cyclic number.

It is not a de Polignac number, because 203120423 - 2²⁴ = 186343207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203120413) 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, 175898 + ... + 177048.

It is an arithmetic number, because the mean of its divisors is an integer number (14141952).

Almost surely, 2^203120423 is an apocalyptic number.

203120423 is a deficient number, since it is larger than the sum of its proper divisors (23150809).

203120423 is a wasteful number, since it uses less digits than its factorization.

203120423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486.

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

The square root of 203120423 is about 14252.0322410525. The cubic root of 203120423 is about 587.8292566934.

Adding to 203120423 its reverse (324021302), we get a palindrome (527141725).

The spelling of 203120423 in words is "two hundred three million, one hundred twenty thousand, four hundred twenty-three".