23104203132340 has 144 divisors (see below), whose sum is σ = 54371263968000. Its totient is φ = 8238305560320.

The previous prime is 23104203132317. The next prime is 23104203132383. The reversal of 23104203132340 is 4323130240132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23104203132299 and 23104203132308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56479861 + ... + 56887459.

It is an arithmetic number, because the mean of its divisors is an integer number (377578222000).

Almost surely, 2^{23104203132340} is an apocalyptic number.

23104203132340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23104203132340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27185631984000).

23104203132340 is an abundant number, since it is smaller than the sum of its proper divisors (31267060835660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23104203132340 is a wasteful number, since it uses less digits than its factorization.

23104203132340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408086 (or 408073 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 23104203132340 its reverse (4323130240132), we get a palindrome (27427333372472).

The spelling of 23104203132340 in words is "twenty-three trillion, one hundred four billion, two hundred three million, one hundred thirty-two thousand, three hundred forty".