23545396775040 has 256 divisors, whose sum is σ = 85812460888320. Its totient is φ = 5379298689024.

The previous prime is 23545396775027. The next prime is 23545396775063. The reversal of 23545396775040 is 4057769354532.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28529472 + ... + 29343168.

It is an arithmetic number, because the mean of its divisors is an integer number (335204925345).

Almost surely, 2^{23545396775040} is an apocalyptic number.

23545396775040 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 23545396775040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42906230444160).

23545396775040 is an abundant number, since it is smaller than the sum of its proper divisors (62267064113280).

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

23545396775040 is a wasteful number, since it uses less digits than its factorization.

23545396775040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815879 (or 815867 counting only the distinct ones).

The product of its (nonzero) digits is 95256000, while the sum is 60.

The spelling of 23545396775040 in words is "twenty-three trillion, five hundred forty-five billion, three hundred ninety-six million, seven hundred seventy-five thousand, forty".