225123023 has 8 divisors (see below), whose sum is σ = 232581120. Its totient is φ = 217677240.

The previous prime is 225123013. The next prime is 225123053. The reversal of 225123023 is 320321522.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225123023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225122986 and 225123004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225123013) 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 7 ways as a sum of consecutive naturals, for example, 47558 + ... + 52076.

It is an arithmetic number, because the mean of its divisors is an integer number (29072640).

Almost surely, 2^225123023 is an apocalyptic number.

225123023 is a deficient number, since it is larger than the sum of its proper divisors (7458097).

225123023 is a wasteful number, since it uses less digits than its factorization.

225123023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6157.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 225123023 is about 15004.1002062769. The cubic root of 225123023 is about 608.3310313209.

Adding to 225123023 its reverse (320321522), we get a palindrome (545444545).

The spelling of 225123023 in words is "two hundred twenty-five million, one hundred twenty-three thousand, twenty-three".