23103430320013 has 4 divisors (see below), whose sum is σ = 23103606171040. Its totient is φ = 23103254468988.

The previous prime is 23103430319993. The next prime is 23103430320059. The reversal of 23103430320013 is 31002303430132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23103430320013 - 2¹³ = 23103430311821 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 23103430320013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23103430320413) 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, 87728295 + ... + 87991252.

It is an arithmetic number, because the mean of its divisors is an integer number (5775901542760).

Almost surely, 2^{23103430320013} is an apocalyptic number.

It is an amenable number.

23103430320013 is a deficient number, since it is larger than the sum of its proper divisors (175851027).

23103430320013 is a wasteful number, since it uses less digits than its factorization.

23103430320013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175851026.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 23103430320013 its reverse (31002303430132), we get a palindrome (54105733750145).

The spelling of 23103430320013 in words is "twenty-three trillion, one hundred three billion, four hundred thirty million, three hundred twenty thousand, thirteen".