23123113203 has 4 divisors (see below), whose sum is σ = 30830817608. Its totient is φ = 15415408800.

The previous prime is 23123113201. The next prime is 23123113213. The reversal of 23123113203 is 30231132132.

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

It is not a de Polignac number, because 23123113203 - 2¹ = 23123113201 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 23123113203.

It is not an unprimeable number, because it can be changed into a prime (23123113201) 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, 3853852198 + ... + 3853852203.

It is an arithmetic number, because the mean of its divisors is an integer number (7707704402).

Almost surely, 2^23123113203 is an apocalyptic number.

23123113203 is a deficient number, since it is larger than the sum of its proper divisors (7707704405).

23123113203 is an equidigital number, since it uses as much as digits as its factorization.

23123113203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7707704404.

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

Adding to 23123113203 its reverse (30231132132), we get a palindrome (53354245335).

The spelling of 23123113203 in words is "twenty-three billion, one hundred twenty-three million, one hundred thirteen thousand, two hundred three".