23113011211 has 8 divisors (see below), whose sum is σ = 23198849024. Its totient is φ = 23027276160.

The previous prime is 23113011193. The next prime is 23113011241. The reversal of 23113011211 is 11211031132.

It is a happy number.

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 23113011211 - 2⁷ = 23113011083 is a prime.

It is a super-2 number, since 2×23113011211² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23113011241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440566 + ... + 490228.

It is an arithmetic number, because the mean of its divisors is an integer number (2899856128).

Almost surely, 2^23113011211 is an apocalyptic number.

23113011211 is a deficient number, since it is larger than the sum of its proper divisors (85837813).

23113011211 is a wasteful number, since it uses less digits than its factorization.

23113011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51381.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 23113011211 its reverse (11211031132), we get a palindrome (34324042343).

The spelling of 23113011211 in words is "twenty-three billion, one hundred thirteen million, eleven thousand, two hundred eleven".