23312201111 has 4 divisors (see below), whose sum is σ = 23880791424. Its totient is φ = 22743610800.

The previous prime is 23312201089. The next prime is 23312201147. The reversal of 23312201111 is 11110221332.

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 23312201111 - 2²² = 23308006807 is a prime.

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 23312201111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23312201911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284295095 + ... + 284295176.

It is an arithmetic number, because the mean of its divisors is an integer number (5970197856).

Almost surely, 2^23312201111 is an apocalyptic number.

23312201111 is a deficient number, since it is larger than the sum of its proper divisors (568590313).

23312201111 is an equidigital number, since it uses as much as digits as its factorization.

23312201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568590312.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 23312201111 its reverse (11110221332), we get a palindrome (34422422443).

The spelling of 23312201111 in words is "twenty-three billion, three hundred twelve million, two hundred one thousand, one hundred eleven".