23402443223 has 4 divisors (see below), whose sum is σ = 23403242688. Its totient is φ = 23401643760.

The previous prime is 23402443133. The next prime is 23402443231. The reversal of 23402443223 is 32234420432.

It is a happy number.

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 23402443223 - 2¹² = 23402439127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23402443243) 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, 354086 + ... + 414947.

It is an arithmetic number, because the mean of its divisors is an integer number (5850810672).

Almost surely, 2^23402443223 is an apocalyptic number.

23402443223 is a deficient number, since it is larger than the sum of its proper divisors (799465).

23402443223 is an equidigital number, since it uses as much as digits as its factorization.

23402443223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799464.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 23402443223 its reverse (32234420432), we get a palindrome (55636863655).

The spelling of 23402443223 in words is "twenty-three billion, four hundred two million, four hundred forty-three thousand, two hundred twenty-three".