23401313103 has 16 divisors (see below), whose sum is σ = 35683139840. Its totient is φ = 13363180416.

The previous prime is 23401313051. The next prime is 23401313107. The reversal of 23401313103 is 30131310432.

It is not a de Polignac number, because 23401313103 - 2²¹ = 23399215951 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 23401313103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23401313107) 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, 342925 + ... + 405462.

It is an arithmetic number, because the mean of its divisors is an integer number (2230196240).

Almost surely, 2^23401313103 is an apocalyptic number.

23401313103 is a deficient number, since it is larger than the sum of its proper divisors (12281826737).

23401313103 is a wasteful number, since it uses less digits than its factorization.

23401313103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749886.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23401313103 its reverse (30131310432), we get a palindrome (53532623535).

The spelling of 23401313103 in words is "twenty-three billion, four hundred one million, three hundred thirteen thousand, one hundred three".