23208663738960 has 640 divisors, whose sum is σ = 97746191462400. Its totient is φ = 4943244257280.

The previous prime is 23208663738947. The next prime is 23208663738961. The reversal of 23208663738960 is 6983736680232.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23208663738961) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 16861887 + ... + 18186273.

It is an arithmetic number, because the mean of its divisors is an integer number (152728424160).

Almost surely, 2^{23208663738960} is an apocalyptic number.

23208663738960 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 23208663738960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48873095731200).

23208663738960 is an abundant number, since it is smaller than the sum of its proper divisors (74537527723440).

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

23208663738960 is a wasteful number, since it uses less digits than its factorization.

23208663738960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324496 (or 1324484 counting only the distinct ones).

The product of its (nonzero) digits is 94058496, while the sum is 63.

The spelling of 23208663738960 in words is "twenty-three trillion, two hundred eight billion, six hundred sixty-three million, seven hundred thirty-eight thousand, nine hundred sixty".