23101112311 has 2 divisors, whose sum is σ = 23101112312. Its totient is φ = 23101112310.

The previous prime is 23101112263. The next prime is 23101112317. The reversal of 23101112311 is 11321110132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23101112311 - 2¹⁵ = 23101079543 is a prime.

It is a super-2 number, since 2×23101112311² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23101112317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11550556155 + 11550556156.

It is an arithmetic number, because the mean of its divisors is an integer number (11550556156).

Almost surely, 2^23101112311 is an apocalyptic number.

23101112311 is a deficient number, since it is larger than the sum of its proper divisors (1).

23101112311 is an equidigital number, since it uses as much as digits as its factorization.

23101112311 is an odious number, because the sum of its binary digits is odd.

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

Adding to 23101112311 its reverse (11321110132), we get a palindrome (34422222443).

The spelling of 23101112311 in words is "twenty-three billion, one hundred one million, one hundred twelve thousand, three hundred eleven".