23130202123 has 4 divisors (see below), whose sum is σ = 26434516720. Its totient is φ = 19825887528.

The previous prime is 23130202063. The next prime is 23130202141. The reversal of 23130202123 is 32120203132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23130202123 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 23130202123.

It is not an unprimeable number, because it can be changed into a prime (23130602123) 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, 1652157288 + ... + 1652157301.

It is an arithmetic number, because the mean of its divisors is an integer number (6608629180).

Almost surely, 2^23130202123 is an apocalyptic number.

23130202123 is a deficient number, since it is larger than the sum of its proper divisors (3304314597).

23130202123 is an equidigital number, since it uses as much as digits as its factorization.

23130202123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3304314596.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23130202123 its reverse (32120203132), we get a palindrome (55250405255).

The spelling of 23130202123 in words is "twenty-three billion, one hundred thirty million, two hundred two thousand, one hundred twenty-three".