1361823 has 8 divisors (see below), whose sum is σ = 1822128. Its totient is φ = 904704.

The previous prime is 1361813. The next prime is 1361827. The reversal of 1361823 is 3281631.

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

It is not a de Polignac number, because 1361823 - 2⁵ = 1361791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1361793 and 1361802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511 + ... + 1727.

It is an arithmetic number, because the mean of its divisors is an integer number (227766).

2^1361823 is an apocalyptic number.

1361823 is a deficient number, since it is larger than the sum of its proper divisors (460305).

1361823 is a wasteful number, since it uses less digits than its factorization.

1361823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593.

The product of its digits is 864, while the sum is 24.

The square root of 1361823 is about 1166.9717220224. The cubic root of 1361823 is about 110.8426469394.

The spelling of 1361823 in words is "one million, three hundred sixty-one thousand, eight hundred twenty-three".