23135040104 has 64 divisors (see below), whose sum is σ = 50324846400. Its totient is φ = 9853977600.

The previous prime is 23135040079. The next prime is 23135040113. The reversal of 23135040104 is 40104053132.

It is a super-2 number, since 2×23135040104² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23135040104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308819 + ... + 376349.

It is an arithmetic number, because the mean of its divisors is an integer number (786325725).

Almost surely, 2^23135040104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23135040104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25162423200).

23135040104 is an abundant number, since it is smaller than the sum of its proper divisors (27189806296).

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

23135040104 is a wasteful number, since it uses less digits than its factorization.

23135040104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67794 (or 67790 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 23135040104 its reverse (40104053132), we get a palindrome (63239093236).

The spelling of 23135040104 in words is "twenty-three billion, one hundred thirty-five million, forty thousand, one hundred four".