23454216225 has 60 divisors (see below), whose sum is σ = 47394935280. Its totient is φ = 11371730400.

The previous prime is 23454216199. The next prime is 23454216257. The reversal of 23454216225 is 52261245432.

23454216225 is a `hidden beast` number, since 2 + 3 + 4 + 5 + 4 + 21 + 622 + 5 = 666.

It is not a de Polignac number, because 23454216225 - 2⁶ = 23454216161 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23454216225.

It is an unprimeable number.

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 59 ways as a sum of consecutive naturals, for example, 504195 + ... + 548744.

It is an arithmetic number, because the mean of its divisors is an integer number (789915588).

Almost surely, 2^23454216225 is an apocalyptic number.

23454216225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23454216225 is an abundant number, since it is smaller than the sum of its proper divisors (23940719055).

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

23454216225 is a wasteful number, since it uses less digits than its factorization.

23454216225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052972 (or 1052958 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The spelling of 23454216225 in words is "twenty-three billion, four hundred fifty-four million, two hundred sixteen thousand, two hundred twenty-five".