203130423 has 20 divisors (see below), whose sum is σ = 304011048. Its totient is φ = 135166320.

The previous prime is 203130401. The next prime is 203130469. The reversal of 203130423 is 324031302.

203130423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 203130423 - 2⁸ = 203130167 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203130396 and 203130405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203130623) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 47608 + ... + 51698.

Almost surely, 2^203130423 is an apocalyptic number.

203130423 is a deficient number, since it is larger than the sum of its proper divisors (100880625).

203130423 is an equidigital number, since it uses as much as digits as its factorization.

203130423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4716 (or 4707 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 203130423 is about 14252.3830638950. The cubic root of 203130423 is about 587.8389031813.

Adding to 203130423 its reverse (324031302), we get a palindrome (527161725).

The spelling of 203130423 in words is "two hundred three million, one hundred thirty thousand, four hundred twenty-three".