203200321230 has 72 divisors (see below), whose sum is σ = 539801399592. Its totient is φ = 53033790816.

The previous prime is 203200321229. The next prime is 203200321237. The reversal of 203200321230 is 32123002302.

It is a happy number.

203200321230 is a `hidden beast` number, since 2 + 0 + 320 + 0 + 321 + 23 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203200321237) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 312232 + ... + 709851.

It is an arithmetic number, because the mean of its divisors is an integer number (7497241661).

Almost surely, 2^203200321230 is an apocalyptic number.

203200321230 is an abundant number, since it is smaller than the sum of its proper divisors (336601078362).

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

203200321230 is a wasteful number, since it uses less digits than its factorization.

203200321230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022190 (or 1022140 counting only the distinct ones).

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

Adding to 203200321230 its reverse (32123002302), we get a palindrome (235323323532).

The spelling of 203200321230 in words is "two hundred three billion, two hundred million, three hundred twenty-one thousand, two hundred thirty".