203324400101244 has 12 divisors (see below), whose sum is σ = 474423600236264. Its totient is φ = 67774800033744.

The previous prime is 203324400101243. The next prime is 203324400101257. The reversal of 203324400101244 is 442101004423302.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×203324400101244² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203324400101243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8471850004207 + ... + 8471850004230.

Almost surely, 2^{203324400101244} is an apocalyptic number.

It is an amenable number.

203324400101244 is an abundant number, since it is smaller than the sum of its proper divisors (271099200135020).

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

203324400101244 is a wasteful number, since it uses less digits than its factorization.

203324400101244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16943700008444 (or 16943700008442 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 203324400101244 its reverse (442101004423302), we get a palindrome (645425404524546).

The spelling of 203324400101244 in words is "two hundred three trillion, three hundred twenty-four billion, four hundred million, one hundred one thousand, two hundred forty-four".