23543211133011 has 16 divisors (see below), whose sum is σ = 32173369961216. Its totient is φ = 15305454099936.

The previous prime is 23543211132989. The next prime is 23543211133069. The reversal of 23543211133011 is 11033111234532.

It is not a de Polignac number, because 23543211133011 - 2²¹ = 23543209035859 is a prime.

It is a super-2 number, since 2×23543211133011² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23543211133011.

It is not an unprimeable number, because it can be changed into a prime (23543211134011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148783495 + ... + 148941648.

It is an arithmetic number, because the mean of its divisors is an integer number (2010835622576).

Almost surely, 2^{23543211133011} is an apocalyptic number.

23543211133011 is a deficient number, since it is larger than the sum of its proper divisors (8630158828205).

23543211133011 is a wasteful number, since it uses less digits than its factorization.

23543211133011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297725802.

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 23543211133011 its reverse (11033111234532), we get a palindrome (34576322367543).

The spelling of 23543211133011 in words is "twenty-three trillion, five hundred forty-three billion, two hundred eleven million, one hundred thirty-three thousand, eleven".