23313012123 has 4 divisors (see below), whose sum is σ = 31084016168. Its totient is φ = 15542008080.

The previous prime is 23313012049. The next prime is 23313012143. The reversal of 23313012123 is 32121031332.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23313012123 - 2⁹ = 23313011611 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 23313012123.

It is not an unprimeable number, because it can be changed into a prime (23313012143) 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, 3885502018 + ... + 3885502023.

It is an arithmetic number, because the mean of its divisors is an integer number (7771004042).

Almost surely, 2^23313012123 is an apocalyptic number.

23313012123 is a deficient number, since it is larger than the sum of its proper divisors (7771004045).

23313012123 is an equidigital number, since it uses as much as digits as its factorization.

23313012123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7771004044.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23313012123 its reverse (32121031332), we get a palindrome (55434043455).

The spelling of 23313012123 in words is "twenty-three billion, three hundred thirteen million, twelve thousand, one hundred twenty-three".