23495551781472 has 288 divisors, whose sum is σ = 70298648469504. Its totient is φ = 7718675328000.

The previous prime is 23495551781381. The next prime is 23495551781477. The reversal of 23495551781472 is 27418715559432.

23495551781472 is a `hidden beast` number, since 2 + 3 + 4 + 9 + 5 + 551 + 7 + 8 + 1 + 4 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23495551781477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 149041572 + ... + 149199132.

It is an arithmetic number, because the mean of its divisors is an integer number (244092529408).

Almost surely, 2^{23495551781472} 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 23495551781472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35149324234752).

23495551781472 is an abundant number, since it is smaller than the sum of its proper divisors (46803096688032).

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

23495551781472 is a wasteful number, since it uses less digits than its factorization.

23495551781472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157864 (or 157844 counting only the distinct ones).

The product of its digits is 84672000, while the sum is 63.

The spelling of 23495551781472 in words is "twenty-three trillion, four hundred ninety-five billion, five hundred fifty-one million, seven hundred eighty-one thousand, four hundred seventy-two".