23111313223 has 4 divisors (see below), whose sum is σ = 23856839488. Its totient is φ = 22365786960.

The previous prime is 23111313209. The next prime is 23111313259. The reversal of 23111313223 is 32231311132.

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 23111313223 - 2¹³ = 23111305031 is a prime.

It is a super-2 number, since 2×23111313223² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23111313194 and 23111313203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23111313263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372763086 + ... + 372763147.

It is an arithmetic number, because the mean of its divisors is an integer number (5964209872).

Almost surely, 2^23111313223 is an apocalyptic number.

23111313223 is a deficient number, since it is larger than the sum of its proper divisors (745526265).

23111313223 is an equidigital number, since it uses as much as digits as its factorization.

23111313223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745526264.

The product of its digits is 648, while the sum is 22.

Adding to 23111313223 its reverse (32231311132), we get a palindrome (55342624355).

The spelling of 23111313223 in words is "twenty-three billion, one hundred eleven million, three hundred thirteen thousand, two hundred twenty-three".