23942785356 has 96 divisors (see below), whose sum is σ = 71062548480. Its totient is φ = 6829132032.

The previous prime is 23942785289. The next prime is 23942785357. The reversal of 23942785356 is 65358724932.

23942785356 is a `hidden beast` number, since 2 + 39 + 4 + 2 + 78 + 535 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (23942785357) by changing a digit.

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, 421605 + ... + 475011.

It is an arithmetic number, because the mean of its divisors is an integer number (740234880).

Almost surely, 2^23942785356 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 23942785356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35531274240).

23942785356 is an abundant number, since it is smaller than the sum of its proper divisors (47119763124).

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

23942785356 is a wasteful number, since it uses less digits than its factorization.

23942785356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54020 (or 54012 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 54.

The spelling of 23942785356 in words is "twenty-three billion, nine hundred forty-two million, seven hundred eighty-five thousand, three hundred fifty-six".