23293817064 has 96 divisors (see below), whose sum is σ = 72170280000. Its totient is φ = 6648880896.

The previous prime is 23293817047. The next prime is 23293817083. The reversal of 23293817064 is 46071839232.

It is a super-2 number, since 2×23293817064² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 506667 + ... + 550725.

It is an arithmetic number, because the mean of its divisors is an integer number (751773750).

Almost surely, 2^23293817064 is an apocalyptic number.

23293817064 is a gapful number since it is divisible by the number (24) 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 23293817064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36085140000).

23293817064 is an abundant number, since it is smaller than the sum of its proper divisors (48876462936).

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

23293817064 is a wasteful number, since it uses less digits than its factorization.

23293817064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45127 (or 45120 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 23293817064 in words is "twenty-three billion, two hundred ninety-three million, eight hundred seventeen thousand, sixty-four".