389175223 has 2 divisors, whose sum is σ = 389175224. Its totient is φ = 389175222.

The previous prime is 389175221. The next prime is 389175247. The reversal of 389175223 is 322571983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 389175223 - 2¹ = 389175221 is a prime.

Together with 389175221, it forms a pair of twin primes.

It is equal to p_20789572 and since 389175223 and 20789572 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389175221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194587611 + 194587612.

It is an arithmetic number, because the mean of its divisors is an integer number (194587612).

Almost surely, 2^389175223 is an apocalyptic number.

389175223 is a deficient number, since it is larger than the sum of its proper divisors (1).

389175223 is an equidigital number, since it uses as much as digits as its factorization.

389175223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 389175223 is about 19727.5245025827. The cubic root of 389175223 is about 730.0989563731.

The spelling of 389175223 in words is "three hundred eighty-nine million, one hundred seventy-five thousand, two hundred twenty-three".