23112140203 has 16 divisors (see below), whose sum is σ = 25544151360. Its totient is φ = 20799922176.

The previous prime is 23112140159. The next prime is 23112140213. The reversal of 23112140203 is 30204121132.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23112140203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23112140213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1442251 + ... + 1458187.

It is an arithmetic number, because the mean of its divisors is an integer number (1596509460).

Almost surely, 2^23112140203 is an apocalyptic number.

23112140203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23112140203 is a deficient number, since it is larger than the sum of its proper divisors (2432011157).

23112140203 is a wasteful number, since it uses less digits than its factorization.

23112140203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19686.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23112140203 its reverse (30204121132), we get a palindrome (53316261335).

The spelling of 23112140203 in words is "twenty-three billion, one hundred twelve million, one hundred forty thousand, two hundred three".