23211012311003 has 16 divisors (see below), whose sum is σ = 26145463252992. Its totient is φ = 20414347704000.

The previous prime is 23211012310999. The next prime is 23211012311021. The reversal of 23211012311003 is 30011321011232.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23211012311003 - 2² = 23211012310999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23211012311203) 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 15 ways as a sum of consecutive naturals, for example, 8646938 + ... + 11008703.

It is an arithmetic number, because the mean of its divisors is an integer number (1634091453312).

Almost surely, 2^{23211012311003} is an apocalyptic number.

23211012311003 is a deficient number, since it is larger than the sum of its proper divisors (2934450941989).

23211012311003 is a wasteful number, since it uses less digits than its factorization.

23211012311003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19659146.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 23211012311003 its reverse (30011321011232), we get a palindrome (53222333322235).

The spelling of 23211012311003 in words is "twenty-three trillion, two hundred eleven billion, twelve million, three hundred eleven thousand, three".