225073123 has 4 divisors (see below), whose sum is σ = 245534328. Its totient is φ = 204611920.

The previous prime is 225073111. The next prime is 225073127. The reversal of 225073123 is 321370522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225073123 - 2⁹ = 225072611 is a prime.

It is a super-3 number, since 3×225073123³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225073127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10230586 + ... + 10230607.

It is an arithmetic number, because the mean of its divisors is an integer number (61383582).

Almost surely, 2^225073123 is an apocalyptic number.

225073123 is a deficient number, since it is larger than the sum of its proper divisors (20461205).

225073123 is a wasteful number, since it uses less digits than its factorization.

225073123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20461204.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 225073123 is about 15002.4372353295. The cubic root of 225073123 is about 608.2860811404.

The spelling of 225073123 in words is "two hundred twenty-five million, seventy-three thousand, one hundred twenty-three".