225310123 has 8 divisors (see below), whose sum is σ = 226789200. Its totient is φ = 223835808.

The previous prime is 225310121. The next prime is 225310147. The reversal of 225310123 is 321013522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225310123 - 2¹ = 225310121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225310123.

It is not an unprimeable number, because it can be changed into a prime (225310121) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 150165 + ... + 151657.

It is an arithmetic number, because the mean of its divisors is an integer number (28348650).

Almost surely, 2^225310123 is an apocalyptic number.

225310123 is a deficient number, since it is larger than the sum of its proper divisors (1479077).

225310123 is a wasteful number, since it uses less digits than its factorization.

225310123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 225310123 is about 15010.3338737018. Note that the first 3 decimals coincide. The cubic root of 225310123 is about 608.4995128581.

Adding to 225310123 its reverse (321013522), we get a palindrome (546323645).

The spelling of 225310123 in words is "two hundred twenty-five million, three hundred ten thousand, one hundred twenty-three".