223953825 has 24 divisors (see below), whose sum is σ = 378154368. Its totient is φ = 116898880.

The previous prime is 223953823. The next prime is 223953833. The reversal of 223953825 is 528359322.

It is not a de Polignac number, because 223953825 - 2¹ = 223953823 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (223953823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28242 + ... + 35291.

It is an arithmetic number, because the mean of its divisors is an integer number (15756432).

Almost surely, 2^223953825 is an apocalyptic number.

223953825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223953825 is a deficient number, since it is larger than the sum of its proper divisors (154200543).

223953825 is a wasteful number, since it uses less digits than its factorization.

223953825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63593 (or 63588 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The square root of 223953825 is about 14965.0868691097. The cubic root of 223953825 is about 607.2760610027.

The spelling of 223953825 in words is "two hundred twenty-three million, nine hundred fifty-three thousand, eight hundred twenty-five".