234203123 has 24 divisors (see below), whose sum is σ = 298669056. Its totient is φ = 179728560.

The previous prime is 234203107. The next prime is 234203129. The reversal of 234203123 is 321302432.

It is not a de Polignac number, because 234203123 - 2⁴ = 234203107 is a prime.

It is a super-2 number, since 2×234203123² = 109702205645906258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 234203095 and 234203104.

It is not an unprimeable number, because it can be changed into a prime (234203129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54686 + ... + 58812.

It is an arithmetic number, because the mean of its divisors is an integer number (12444544).

Almost surely, 2^234203123 is an apocalyptic number.

234203123 is a deficient number, since it is larger than the sum of its proper divisors (64465933).

234203123 is a wasteful number, since it uses less digits than its factorization.

234203123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4223 (or 4212 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 234203123 is about 15303.6963835539. The cubic root of 234203123 is about 616.4022670119.

Adding to 234203123 its reverse (321302432), we get a palindrome (555505555).

The spelling of 234203123 in words is "two hundred thirty-four million, two hundred three thousand, one hundred twenty-three".