225142323 has 16 divisors (see below), whose sum is σ = 343320576. Its totient is φ = 128560320.

The previous prime is 225142319. The next prime is 225142363. The reversal of 225142323 is 323241522.

It is not a de Polignac number, because 225142323 - 2² = 225142319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225142293 and 225142302.

It is not an unprimeable number, because it can be changed into a prime (225142303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35343 + ... + 41223.

It is an arithmetic number, because the mean of its divisors is an integer number (21457536).

Almost surely, 2^225142323 is an apocalyptic number.

225142323 is a deficient number, since it is larger than the sum of its proper divisors (118178253).

225142323 is a wasteful number, since it uses less digits than its factorization.

225142323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7714.

The product of its digits is 2880, while the sum is 24.

The square root of 225142323 is about 15004.7433500210. The cubic root of 225142323 is about 608.3484150803.

Adding to 225142323 its reverse (323241522), we get a palindrome (548383845).

The spelling of 225142323 in words is "two hundred twenty-five million, one hundred forty-two thousand, three hundred twenty-three".