23110321211 has 8 divisors (see below), whose sum is σ = 23676078384. Its totient is φ = 22544663680.

The previous prime is 23110321207. The next prime is 23110321301. The reversal of 23110321211 is 11212301132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23110321211 - 2² = 23110321207 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 23110321211.

It is not an unprimeable number, because it can be changed into a prime (23110321111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 697916 + ... + 730278.

It is an arithmetic number, because the mean of its divisors is an integer number (2959509798).

Almost surely, 2^23110321211 is an apocalyptic number.

23110321211 is a deficient number, since it is larger than the sum of its proper divisors (565757173).

23110321211 is a wasteful number, since it uses less digits than its factorization.

23110321211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49821.

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

Adding to 23110321211 its reverse (11212301132), we get a palindrome (34322622343).

The spelling of 23110321211 in words is "twenty-three billion, one hundred ten million, three hundred twenty-one thousand, two hundred eleven".