1055823 has 8 divisors (see below), whose sum is σ = 1413168. Its totient is φ = 701184.

The previous prime is 1055809. The next prime is 1055827. The reversal of 1055823 is 3285501.

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

It is not a de Polignac number, because 1055823 - 2⁸ = 1055567 is a prime.

It is a super-2 number, since 2×1055823² = 2229524414658, which contains 22 as substring.

1055823 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1055793 and 1055802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561 + ... + 1557.

It is an arithmetic number, because the mean of its divisors is an integer number (176646).

2^1055823 is an apocalyptic number.

1055823 is a deficient number, since it is larger than the sum of its proper divisors (357345).

1055823 is an equidigital number, since it uses as much as digits as its factorization.

1055823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1055823 is about 1027.5324812384. The cubic root of 1055823 is about 101.8271775495.

The spelling of 1055823 in words is "one million, fifty-five thousand, eight hundred twenty-three".