1389327023 has 32 divisors (see below), whose sum is σ = 1744977024. Its totient is φ = 1078935552.

The previous prime is 1389326999. The next prime is 1389327047. The reversal of 1389327023 is 3207239831.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1389326999) and next prime (1389327047).

It is a cyclic number.

It is not a de Polignac number, because 1389327023 - 2⁶ = 1389326959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1389327053) 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 in 31 ways as a sum of consecutive naturals, for example, 425465 + ... + 428717.

It is an arithmetic number, because the mean of its divisors is an integer number (54530532).

Almost surely, 2^1389327023 is an apocalyptic number.

1389327023 is a deficient number, since it is larger than the sum of its proper divisors (355650001).

1389327023 is a wasteful number, since it uses less digits than its factorization.

1389327023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3411.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 1389327023 is about 37273.6773474258. The cubic root of 1389327023 is about 1115.8388917001.

The spelling of 1389327023 in words is "one billion, three hundred eighty-nine million, three hundred twenty-seven thousand, twenty-three".