203211401243 has 8 divisors (see below), whose sum is σ = 203776162800. Its totient is φ = 202647424608.

The previous prime is 203211401207. The next prime is 203211401249. The reversal of 203211401243 is 342104112302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203211401243 - 2⁶ = 203211401179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203211401249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324188 + ... + 715206.

It is an arithmetic number, because the mean of its divisors is an integer number (25472020350).

Almost surely, 2^203211401243 is an apocalyptic number.

203211401243 is a deficient number, since it is larger than the sum of its proper divisors (564761557).

203211401243 is an equidigital number, since it uses as much as digits as its factorization.

203211401243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392461.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 203211401243 its reverse (342104112302), we get a palindrome (545315513545).

The spelling of 203211401243 in words is "two hundred three billion, two hundred eleven million, four hundred one thousand, two hundred forty-three".