389039023 has 2 divisors, whose sum is σ = 389039024. Its totient is φ = 389039022.

The previous prime is 389039009. The next prime is 389039059. The reversal of 389039023 is 320930983.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389039023 is a prime.

It is a super-2 number, since 2×389039023² = 302702722833589058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389039083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194519511 + 194519512.

It is an arithmetic number, because the mean of its divisors is an integer number (194519512).

Almost surely, 2^389039023 is an apocalyptic number.

389039023 is a deficient number, since it is larger than the sum of its proper divisors (1).

389039023 is an equidigital number, since it uses as much as digits as its factorization.

389039023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 389039023 is about 19724.0721708272. The cubic root of 389039023 is about 730.0137753077.

The spelling of 389039023 in words is "three hundred eighty-nine million, thirty-nine thousand, twenty-three".