225143623 has 2 divisors, whose sum is σ = 225143624. Its totient is φ = 225143622.

The previous prime is 225143621. The next prime is 225143647. The reversal of 225143623 is 326341522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225143623 - 2¹ = 225143621 is a prime.

It is a super-2 number, since 2×225143623² = 101379301955132258, which contains 22 as substring.

Together with 225143621, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 225143591 and 225143600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225143621) 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 as a sum of consecutive naturals, namely, 112571811 + 112571812.

It is an arithmetic number, because the mean of its divisors is an integer number (112571812).

Almost surely, 2^225143623 is an apocalyptic number.

225143623 is a deficient number, since it is larger than the sum of its proper divisors (1).

225143623 is an equidigital number, since it uses as much as digits as its factorization.

225143623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 28.

The square root of 225143623 is about 15004.7866695931. The cubic root of 225143623 is about 608.3495859714.

The spelling of 225143623 in words is "two hundred twenty-five million, one hundred forty-three thousand, six hundred twenty-three".