23122303231 has 4 divisors (see below), whose sum is σ = 23192159464. Its totient is φ = 23052447000.

The previous prime is 23122303153. The next prime is 23122303273. The reversal of 23122303231 is 13230322132.

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 23122303231 - 2⁷ = 23122303103 is a prime.

It is a super-2 number, since 2×23122303231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23122303031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34927620 + ... + 34928281.

It is an arithmetic number, because the mean of its divisors is an integer number (5798039866).

Almost surely, 2^23122303231 is an apocalyptic number.

23122303231 is a deficient number, since it is larger than the sum of its proper divisors (69856233).

23122303231 is an equidigital number, since it uses as much as digits as its factorization.

23122303231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69856232.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 23122303231 its reverse (13230322132), we get a palindrome (36352625363).

The spelling of 23122303231 in words is "twenty-three billion, one hundred twenty-two million, three hundred three thousand, two hundred thirty-one".