203230123 has 2 divisors, whose sum is σ = 203230124. Its totient is φ = 203230122.

The previous prime is 203230091. The next prime is 203230127. The reversal of 203230123 is 321032302.

203230123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 203230123 - 2⁵ = 203230091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203230097 and 203230106.

It is not a weakly prime, because it can be changed into another prime (203230127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101615061 + 101615062.

It is an arithmetic number, because the mean of its divisors is an integer number (101615062).

Almost surely, 2^203230123 is an apocalyptic number.

203230123 is a deficient number, since it is larger than the sum of its proper divisors (1).

203230123 is an equidigital number, since it uses as much as digits as its factorization.

203230123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 203230123 is about 14255.8802955131. The cubic root of 203230123 is about 587.9350613570.

Adding to 203230123 its reverse (321032302), we get a palindrome (524262425).

The spelling of 203230123 in words is "two hundred three million, two hundred thirty thousand, one hundred twenty-three".