23117366740 has 96 divisors (see below), whose sum is σ = 53738213760. Its totient is φ = 8299501056.

The previous prime is 23117366737. The next prime is 23117366773. The reversal of 23117366740 is 4766371132.

It is a junction number, because it is equal to n+sod(n) for n = 23117366693 and 23117366702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2533306 + ... + 2542414.

It is an arithmetic number, because the mean of its divisors is an integer number (559773060).

Almost surely, 2^23117366740 is an apocalyptic number.

23117366740 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 23117366740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26869106880).

23117366740 is an abundant number, since it is smaller than the sum of its proper divisors (30620847020).

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

23117366740 is a wasteful number, since it uses less digits than its factorization.

23117366740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9401 (or 9399 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

The spelling of 23117366740 in words is "twenty-three billion, one hundred seventeen million, three hundred sixty-six thousand, seven hundred forty".