23402123223 has 4 divisors (see below), whose sum is σ = 31202830968. Its totient is φ = 15601415480.

The previous prime is 23402123203. The next prime is 23402123257. The reversal of 23402123223 is 32232120432.

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 23402123223 - 2¹³ = 23402115031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23402123193 and 23402123202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23402123203) 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, 3900353868 + ... + 3900353873.

It is an arithmetic number, because the mean of its divisors is an integer number (7800707742).

Almost surely, 2^23402123223 is an apocalyptic number.

23402123223 is a deficient number, since it is larger than the sum of its proper divisors (7800707745).

23402123223 is an equidigital number, since it uses as much as digits as its factorization.

23402123223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7800707744.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 23402123223 its reverse (32232120432), we get a palindrome (55634243655).

The spelling of 23402123223 in words is "twenty-three billion, four hundred two million, one hundred twenty-three thousand, two hundred twenty-three".