23981473758 has 48 divisors (see below), whose sum is σ = 52807426560. Its totient is φ = 7255007760.

The previous prime is 23981473741. The next prime is 23981473787. The reversal of 23981473758 is 85737418932.

It is a super-2 number, since 2×23981473758² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23981473698 and 23981473707.

It is a congruent number.

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, 413473 + ... + 467891.

It is an arithmetic number, because the mean of its divisors is an integer number (1100154720).

Almost surely, 2^23981473758 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23981473758, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26403713280).

23981473758 is an abundant number, since it is smaller than the sum of its proper divisors (28825952802).

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

23981473758 is a wasteful number, since it uses less digits than its factorization.

23981473758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55053 (or 55042 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 57.

The spelling of 23981473758 in words is "twenty-three billion, nine hundred eighty-one million, four hundred seventy-three thousand, seven hundred fifty-eight".