203323200402 has 32 divisors (see below), whose sum is σ = 464943422592. Its totient is φ = 58066758144.

The previous prime is 203323200391. The next prime is 203323200407. The reversal of 203323200402 is 204002323302.

203323200402 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 (21).

It is not an unprimeable number, because it can be changed into a prime (203323200407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 969433 + ... + 1160364.

It is an arithmetic number, because the mean of its divisors is an integer number (14529481956).

Almost surely, 2^203323200402 is an apocalyptic number.

203323200402 is an abundant number, since it is smaller than the sum of its proper divisors (261620222190).

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

203323200402 is a wasteful number, since it uses less digits than its factorization.

203323200402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132082.

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 203323200402 its reverse (204002323302), we get a palindrome (407325523704).

The spelling of 203323200402 in words is "two hundred three billion, three hundred twenty-three million, two hundred thousand, four hundred two".