23023220012231 has 4 divisors (see below), whose sum is σ = 24377527071792. Its totient is φ = 21668912952672.

The previous prime is 23023220012209. The next prime is 23023220012239. The reversal of 23023220012231 is 13221002232032.

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 23023220012231 - 2³⁰ = 23022146270407 is a prime.

It is a super-2 number, since 2×23023220012231² (a number of 28 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 = 23023220012197 and 23023220012206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23023220012239) 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, 677153529755 + ... + 677153529788.

It is an arithmetic number, because the mean of its divisors is an integer number (6094381767948).

Almost surely, 2^{23023220012231} is an apocalyptic number.

23023220012231 is a deficient number, since it is larger than the sum of its proper divisors (1354307059561).

23023220012231 is a wasteful number, since it uses less digits than its factorization.

23023220012231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354307059560.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23023220012231 its reverse (13221002232032), we get a palindrome (36244222244263).

The spelling of 23023220012231 in words is "twenty-three trillion, twenty-three billion, two hundred twenty million, twelve thousand, two hundred thirty-one".