23454645354225 has 24 divisors (see below), whose sum is σ = 43087052207520. Its totient is φ = 12509144188560.

The previous prime is 23454645354187. The next prime is 23454645354233. The reversal of 23454645354225 is 52245354645432.

It is a happy number.

23454645354225 is a `hidden beast` number, since 2 + 3 + 4 + 5 + 4 + 64 + 5 + 354 + 225 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-23454645354225 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17373810699 + ... + 17373812048.

It is an arithmetic number, because the mean of its divisors is an integer number (1795293841980).

Almost surely, 2^{23454645354225} is an apocalyptic number.

23454645354225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23454645354225 is a deficient number, since it is larger than the sum of its proper divisors (19632406853295).

23454645354225 is a wasteful number, since it uses less digits than its factorization.

23454645354225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34747622766 (or 34747622755 counting only the distinct ones).

The product of its digits is 69120000, while the sum is 54.

Adding to 23454645354225 its reverse (52245354645432), we get a palindrome (75699999999657).

The spelling of 23454645354225 in words is "twenty-three trillion, four hundred fifty-four billion, six hundred forty-five million, three hundred fifty-four thousand, two hundred twenty-five".