23000311311 has 4 divisors (see below), whose sum is σ = 30667081752. Its totient is φ = 15333540872.

The previous prime is 23000311289. The next prime is 23000311333. The reversal of 23000311311 is 11311300032.

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 (23000311289) and next prime (23000311333).

It is a cyclic number.

It is not a de Polignac number, because 23000311311 - 2⁷ = 23000311183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23000312311) 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, 3833385216 + ... + 3833385221.

It is an arithmetic number, because the mean of its divisors is an integer number (7666770438).

Almost surely, 2^23000311311 is an apocalyptic number.

23000311311 is a deficient number, since it is larger than the sum of its proper divisors (7666770441).

23000311311 is an equidigital number, since it uses as much as digits as its factorization.

23000311311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7666770440.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 23000311311 its reverse (11311300032), we get a palindrome (34311611343).

The spelling of 23000311311 in words is "twenty-three billion, three hundred eleven thousand, three hundred eleven".