23421003516260 has 192 divisors, whose sum is σ = 58777856901120. Its totient is φ = 7670080304640.

The previous prime is 23421003516233. The next prime is 23421003516301. The reversal of 23421003516260 is 6261530012432.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 23421003516260.

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 63 ways as a sum of consecutive naturals, for example, 1205828909 + ... + 1205848331.

It is an arithmetic number, because the mean of its divisors is an integer number (306134671360).

Almost surely, 2^{23421003516260} is an apocalyptic number.

23421003516260 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 23421003516260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29388928450560).

23421003516260 is an abundant number, since it is smaller than the sum of its proper divisors (35356853384860).

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

23421003516260 is a wasteful number, since it uses less digits than its factorization.

23421003516260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23066 (or 23064 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 23421003516260 its reverse (6261530012432), we get a palindrome (29682533528692).

The spelling of 23421003516260 in words is "twenty-three trillion, four hundred twenty-one billion, three million, five hundred sixteen thousand, two hundred sixty".