1385584023 has 4 divisors (see below), whose sum is σ = 1847445368. Its totient is φ = 923722680.

The previous prime is 1385584007. The next prime is 1385584027. The reversal of 1385584023 is 3204855831.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1385584023 - 2⁴ = 1385584007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385584027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230930668 + ... + 230930673.

It is an arithmetic number, because the mean of its divisors is an integer number (461861342).

Almost surely, 2^1385584023 is an apocalyptic number.

1385584023 is a deficient number, since it is larger than the sum of its proper divisors (461861345).

1385584023 is an equidigital number, since it uses as much as digits as its factorization.

1385584023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461861344.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 1385584023 is about 37223.4337884081. The cubic root of 1385584023 is about 1114.8359261749.

The spelling of 1385584023 in words is "one billion, three hundred eighty-five million, five hundred eighty-four thousand, twenty-three".