389213023 has 2 divisors, whose sum is σ = 389213024. Its totient is φ = 389213022.

The previous prime is 389213017. The next prime is 389213047. The reversal of 389213023 is 320312983.

It is a weak prime.

It is an emirp because it is prime and its reverse (320312983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 389213023 - 2⁵ = 389212991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389213003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194606511 + 194606512.

It is an arithmetic number, because the mean of its divisors is an integer number (194606512).

Almost surely, 2^389213023 is an apocalyptic number.

389213023 is a deficient number, since it is larger than the sum of its proper divisors (1).

389213023 is an equidigital number, since it uses as much as digits as its factorization.

389213023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 389213023 is about 19728.4825316090. The cubic root of 389213023 is about 730.1225934099.

The spelling of 389213023 in words is "three hundred eighty-nine million, two hundred thirteen thousand, twenty-three".