200123032011 has 16 divisors (see below), whose sum is σ = 305144039424. Its totient is φ = 114283021824.

The previous prime is 200123032007. The next prime is 200123032027. The reversal of 200123032011 is 110230321002.

It is not a de Polignac number, because 200123032011 - 2² = 200123032007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200123042011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3007830 + ... + 3073643.

It is an arithmetic number, because the mean of its divisors is an integer number (19071502464).

Almost surely, 2^200123032011 is an apocalyptic number.

200123032011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

200123032011 is a deficient number, since it is larger than the sum of its proper divisors (105021007413).

200123032011 is a wasteful number, since it uses less digits than its factorization.

200123032011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6083050.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 200123032011 its reverse (110230321002), we get a palindrome (310353353013).

The spelling of 200123032011 in words is "two hundred billion, one hundred twenty-three million, thirty-two thousand, eleven".