23245440064 has 168 divisors, whose sum is σ = 59148768672. Its totient is φ = 8962007040.

The previous prime is 23245439999. The next prime is 23245440103. The reversal of 23245440064 is 46004454232.

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, 3342639 + ... + 3349585.

It is an arithmetic number, because the mean of its divisors is an integer number (352076004).

Almost surely, 2^23245440064 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 23245440064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29574384336).

23245440064 is an abundant number, since it is smaller than the sum of its proper divisors (35903328608).

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

23245440064 is a wasteful number, since it uses less digits than its factorization.

23245440064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7081 (or 7064 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 23245440064 its reverse (46004454232), we get a palindrome (69249894296).

The spelling of 23245440064 in words is "twenty-three billion, two hundred forty-five million, four hundred forty thousand, sixty-four".