23428818849408 has 768 divisors, whose sum is σ = 76416639235200. Its totient is φ = 6332392636416.

The previous prime is 23428818849367. The next prime is 23428818849413. The reversal of 23428818849408 is 80494881882432.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7202217510 + ... + 7202220762.

Almost surely, 2^{23428818849408} is an apocalyptic number.

23428818849408 is a gapful number since it is divisible by the number (28) 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 23428818849408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38208319617600).

23428818849408 is an abundant number, since it is smaller than the sum of its proper divisors (52987820385792).

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

23428818849408 is a wasteful number, since it uses less digits than its factorization.

23428818849408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3577 (or 3558 counting only the distinct ones).

The product of its (nonzero) digits is 226492416, while the sum is 69.

The spelling of 23428818849408 in words is "twenty-three trillion, four hundred twenty-eight billion, eight hundred eighteen million, eight hundred forty-nine thousand, four hundred eight".