243023103 has 12 divisors (see below), whose sum is σ = 363138360. Its totient is φ = 156428496.

The previous prime is 243023101. The next prime is 243023147. The reversal of 243023103 is 301320342.

243023103 is a `hidden beast` number, since 2 + 430 + 231 + 0 + 3 = 666.

It is not a de Polignac number, because 243023103 - 2¹ = 243023101 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243023101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 465301 + ... + 465822.

It is an arithmetic number, because the mean of its divisors is an integer number (30261530).

Almost surely, 2^243023103 is an apocalyptic number.

243023103 is a deficient number, since it is larger than the sum of its proper divisors (120115257).

243023103 is a wasteful number, since it uses less digits than its factorization.

243023103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931158 (or 931155 counting only the distinct ones).

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

The square root of 243023103 is about 15589.1982795781. The cubic root of 243023103 is about 624.0449224932.

Adding to 243023103 its reverse (301320342), we get a palindrome (544343445).

The spelling of 243023103 in words is "two hundred forty-three million, twenty-three thousand, one hundred three".