203234210011 has 36 divisors (see below), whose sum is σ = 255316692312. Its totient is φ = 161193727296.

The previous prime is 203234209979. The next prime is 203234210051. The reversal of 203234210011 is 110012432302.

It is a happy number.

It is not a de Polignac number, because 203234210011 - 2⁵ = 203234209979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (203234210051) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 627031 + ... + 894223.

It is an arithmetic number, because the mean of its divisors is an integer number (7092130342).

Almost surely, 2^203234210011 is an apocalyptic number.

203234210011 is a deficient number, since it is larger than the sum of its proper divisors (52082482301).

203234210011 is a wasteful number, since it uses less digits than its factorization.

203234210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267288 (or 267262 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 203234210011 its reverse (110012432302), we get a palindrome (313246642313).

The spelling of 203234210011 in words is "two hundred three billion, two hundred thirty-four million, two hundred ten thousand, eleven".