23031212223 has 8 divisors (see below), whose sum is σ = 30758875648. Its totient is φ = 15328845144.

The previous prime is 23031212209. The next prime is 23031212227. The reversal of 23031212223 is 32221213032.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23031212223 - 2⁴ = 23031212207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23031212223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23031212227) 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 7 ways as a sum of consecutive naturals, for example, 6321961 + ... + 6325602.

It is an arithmetic number, because the mean of its divisors is an integer number (3844859456).

Almost surely, 2^23031212223 is an apocalyptic number.

23031212223 is a deficient number, since it is larger than the sum of its proper divisors (7727663425).

23031212223 is a wasteful number, since it uses less digits than its factorization.

23031212223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12648173.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23031212223 its reverse (32221213032), we get a palindrome (55252425255).

The spelling of 23031212223 in words is "twenty-three billion, thirty-one million, two hundred twelve thousand, two hundred twenty-three".