23212011023311 has 4 divisors (see below), whose sum is σ = 25322193843624. Its totient is φ = 21101828203000.

The previous prime is 23212011023303. The next prime is 23212011023321. The reversal of 23212011023311 is 11332011021232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23212011023311 - 2³ = 23212011023303 is a prime.

It is a super-2 number, since 2×23212011023311² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23212011023321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055091410140 + ... + 1055091410161.

It is an arithmetic number, because the mean of its divisors is an integer number (6330548460906).

Almost surely, 2^{23212011023311} is an apocalyptic number.

23212011023311 is a deficient number, since it is larger than the sum of its proper divisors (2110182820313).

23212011023311 is a wasteful number, since it uses less digits than its factorization.

23212011023311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110182820312.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 23212011023311 its reverse (11332011021232), we get a palindrome (34544022044543).

The spelling of 23212011023311 in words is "twenty-three trillion, two hundred twelve billion, eleven million, twenty-three thousand, three hundred eleven".