23101232311 has 4 divisors (see below), whose sum is σ = 23102052624. Its totient is φ = 23100412000.

The previous prime is 23101232281. The next prime is 23101232317. The reversal of 23101232311 is 11323210132.

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 23101232311 - 2⁷ = 23101232183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23101232317) 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, 366355 + ... + 424756.

It is an arithmetic number, because the mean of its divisors is an integer number (5775513156).

Almost surely, 2^23101232311 is an apocalyptic number.

23101232311 is a deficient number, since it is larger than the sum of its proper divisors (820313).

23101232311 is an equidigital number, since it uses as much as digits as its factorization.

23101232311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820312.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23101232311 its reverse (11323210132), we get a palindrome (34424442443).

The spelling of 23101232311 in words is "twenty-three billion, one hundred one million, two hundred thirty-two thousand, three hundred eleven".