23130111203 has 4 divisors (see below), whose sum is σ = 23212425048. Its totient is φ = 23047797360.

The previous prime is 23130111167. The next prime is 23130111239. The reversal of 23130111203 is 30211103132.

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

It is an interprime number because it is at equal distance from previous prime (23130111167) and next prime (23130111239).

It is a cyclic number.

It is not a de Polignac number, because 23130111203 - 2¹⁸ = 23129849059 is a prime.

It is a super-2 number, since 2×23130111203² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23130111283) 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, 41156501 + ... + 41157062.

It is an arithmetic number, because the mean of its divisors is an integer number (5803106262).

Almost surely, 2^23130111203 is an apocalyptic number.

23130111203 is a deficient number, since it is larger than the sum of its proper divisors (82313845).

23130111203 is an equidigital number, since it uses as much as digits as its factorization.

23130111203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82313844.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 23130111203 its reverse (30211103132), we get a palindrome (53341214335).

The spelling of 23130111203 in words is "twenty-three billion, one hundred thirty million, one hundred eleven thousand, two hundred three".