23120243340403 has 12 divisors (see below), whose sum is σ = 25413399787104. Its totient is φ = 21018204746000.

The previous prime is 23120243340401. The next prime is 23120243340409. The reversal of 23120243340403 is 30404334202132.

It is a happy number.

It is not a de Polignac number, because 23120243340403 - 2¹ = 23120243340401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23120243340401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12839478 + ... + 14529028.

It is an arithmetic number, because the mean of its divisors is an integer number (2117783315592).

Almost surely, 2^{23120243340403} is an apocalyptic number.

23120243340403 is a deficient number, since it is larger than the sum of its proper divisors (2293156446701).

23120243340403 is a wasteful number, since it uses less digits than its factorization.

23120243340403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802666 (or 1802655 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 23120243340403 its reverse (30404334202132), we get a palindrome (53524577542535).

The spelling of 23120243340403 in words is "twenty-three trillion, one hundred twenty billion, two hundred forty-three million, three hundred forty thousand, four hundred three".