23223022231 has 4 divisors (see below), whose sum is σ = 23225502952. Its totient is φ = 23220541512.

The previous prime is 23223022217. The next prime is 23223022241. The reversal of 23223022231 is 13222032232.

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 23223022231 - 2¹⁵ = 23222989463 is a prime.

It is a super-2 number, since 2×23223022231² (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 (23223022211) 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, 1226265 + ... + 1245058.

It is an arithmetic number, because the mean of its divisors is an integer number (5806375738).

Almost surely, 2^23223022231 is an apocalyptic number.

23223022231 is a deficient number, since it is larger than the sum of its proper divisors (2480721).

23223022231 is an equidigital number, since it uses as much as digits as its factorization.

23223022231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2480720.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 23223022231 its reverse (13222032232), we get a palindrome (36445054463).

The spelling of 23223022231 in words is "twenty-three billion, two hundred twenty-three million, twenty-two thousand, two hundred thirty-one".