203243064 has 16 divisors (see below), whose sum is σ = 508107720. Its totient is φ = 67747680.

The previous prime is 203243039. The next prime is 203243071. The reversal of 203243064 is 460342302.

It is a happy number.

203243064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 8468461 = 203243064 / (2 + 0 + 3 + 2 + 4 + 3 + 0 + 6 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4234207 + ... + 4234254.

Almost surely, 2^203243064 is an apocalyptic number.

203243064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

203243064 is an abundant number, since it is smaller than the sum of its proper divisors (304864656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203243064 is a wasteful number, since it uses less digits than its factorization.

203243064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8468470 (or 8468466 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 203243064 is about 14256.3341711676. The cubic root of 203243064 is about 587.9475403242.

Adding to 203243064 its reverse (460342302), we get a palindrome (663585366).

The spelling of 203243064 in words is "two hundred three million, two hundred forty-three thousand, sixty-four".