23301121211 has 4 divisors (see below), whose sum is σ = 23455433424. Its totient is φ = 23146809000.

The previous prime is 23301121169. The next prime is 23301121253. The reversal of 23301121211 is 11212110332.

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

It is an interprime number because it is at equal distance from previous prime (23301121169) and next prime (23301121253).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23301121211 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 23301121211.

It is not an unprimeable number, because it can be changed into a prime (23309121211) 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, 77155880 + ... + 77156181.

It is an arithmetic number, because the mean of its divisors is an integer number (5863858356).

Almost surely, 2^23301121211 is an apocalyptic number.

23301121211 is a deficient number, since it is larger than the sum of its proper divisors (154312213).

23301121211 is a wasteful number, since it uses less digits than its factorization.

23301121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154312212.

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

Adding to 23301121211 its reverse (11212110332), we get a palindrome (34513231543).

The spelling of 23301121211 in words is "twenty-three billion, three hundred one million, one hundred twenty-one thousand, two hundred eleven".