1386023 has 4 divisors (see below), whose sum is σ = 1399848. Its totient is φ = 1372200.

The previous prime is 1386013. The next prime is 1386037. The reversal of 1386023 is 3206831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3206831 = 61 ⋅52571.

It is a cyclic number.

It is not a de Polignac number, because 1386023 - 2⁸ = 1385767 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1386023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1386013) 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, 6761 + ... + 6962.

It is an arithmetic number, because the mean of its divisors is an integer number (349962).

2^1386023 is an apocalyptic number.

1386023 is a deficient number, since it is larger than the sum of its proper divisors (13825).

1386023 is a wasteful number, since it uses less digits than its factorization.

1386023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13824.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1386023 is about 1177.2947804182. The cubic root of 1386023 is about 111.4953646849.

The spelling of 1386023 in words is "one million, three hundred eighty-six thousand, twenty-three".