203000344000402 has 24 divisors (see below), whose sum is σ = 349121023228116. Its totient is φ = 88181144902656.

The previous prime is 203000344000387. The next prime is 203000344000423. The reversal of 203000344000402 is 204000443000302.

It can be written as a sum of positive squares in 6 ways, for example, as 52023315372961 + 150977028627441 = 7212719^2 + 12287271^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17664486423 + ... + 17664497914.

Almost surely, 2^{203000344000402} is an apocalyptic number.

203000344000402 is a deficient number, since it is larger than the sum of its proper divisors (146120679227714).

203000344000402 is a wasteful number, since it uses less digits than its factorization.

203000344000402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35328984382 (or 35328984369 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 203000344000402 its reverse (204000443000302), we get a palindrome (407000787000704).

The spelling of 203000344000402 in words is "two hundred three trillion, three hundred forty-four million, four hundred two", and thus it is an aban number.