1365023 has 8 divisors (see below), whose sum is σ = 1537536. Its totient is φ = 1200600.

The previous prime is 1365019. The next prime is 1365029. The reversal of 1365023 is 3205631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1365023 - 2² = 1365019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1364986 and 1365004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1365029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1661 + ... + 2342.

It is an arithmetic number, because the mean of its divisors is an integer number (192192).

2^1365023 is an apocalyptic number.

1365023 is a deficient number, since it is larger than the sum of its proper divisors (172513).

1365023 is a wasteful number, since it uses less digits than its factorization.

1365023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4045.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1365023 is about 1168.3419876047. The cubic root of 1365023 is about 110.9293980594.

The spelling of 1365023 in words is "one million, three hundred sixty-five thousand, twenty-three".