23945288953664 has 28 divisors (see below), whose sum is σ = 51171542982084. Its totient is φ = 11051671824384.

The previous prime is 23945288953643. The next prime is 23945288953669. The reversal of 23945288953664 is 46635988254932.

It can be written as a sum of positive squares in 2 ways, for example, as 9061063225600 + 14884225728064 = 3010160^2 + 3858008^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23945288953591 and 23945288953600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23945288953669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14390196857 + ... + 14390198520.

It is an arithmetic number, because the mean of its divisors is an integer number (1827555106503).

Almost surely, 2^{23945288953664} is an apocalyptic number.

It is an amenable number.

23945288953664 is an abundant number, since it is smaller than the sum of its proper divisors (27226254028420).

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

23945288953664 is a wasteful number, since it uses less digits than its factorization.

23945288953664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28780395402 (or 28780395392 counting only the distinct ones).

The product of its digits is 2687385600, while the sum is 74.

The spelling of 23945288953664 in words is "twenty-three trillion, nine hundred forty-five billion, two hundred eighty-eight million, nine hundred fifty-three thousand, six hundred sixty-four".