389410123 has 2 divisors, whose sum is σ = 389410124. Its totient is φ = 389410122.

The previous prime is 389410093. The next prime is 389410199. The reversal of 389410123 is 321014983.

It is a weak prime.

It is an emirp because it is prime and its reverse (321014983) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389410123 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (389411123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194705061 + 194705062.

It is an arithmetic number, because the mean of its divisors is an integer number (194705062).

Almost surely, 2^389410123 is an apocalyptic number.

389410123 is a deficient number, since it is larger than the sum of its proper divisors (1).

389410123 is an equidigital number, since it uses as much as digits as its factorization.

389410123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 389410123 is about 19733.4772151286. The cubic root of 389410123 is about 730.2458188842.

The spelling of 389410123 in words is "three hundred eighty-nine million, four hundred ten thousand, one hundred twenty-three".