203343243201 has 48 divisors (see below), whose sum is σ = 345004168704. Its totient is φ = 112999266432.

The previous prime is 203343243161. The next prime is 203343243209. The reversal of 203343243201 is 102342343302.

203343243201 is a `hidden beast` number, since 2 + 0 + 334 + 3 + 2 + 4 + 320 + 1 = 666.

It is not a de Polignac number, because 203343243201 - 2⁷ = 203343243073 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (203343243209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 246171 + ... + 683583.

It is an arithmetic number, because the mean of its divisors is an integer number (7187586848).

Almost surely, 2^203343243201 is an apocalyptic number.

203343243201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

203343243201 is a deficient number, since it is larger than the sum of its proper divisors (141660925503).

203343243201 is a wasteful number, since it uses less digits than its factorization.

203343243201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437630 (or 437627 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 203343243201 its reverse (102342343302), we get a palindrome (305685586503).

The spelling of 203343243201 in words is "two hundred three billion, three hundred forty-three million, two hundred forty-three thousand, two hundred one".