1119823 has 2 divisors, whose sum is σ = 1119824. Its totient is φ = 1119822.

The previous prime is 1119821. The next prime is 1119857. The reversal of 1119823 is 3289111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1119823 - 2¹ = 1119821 is a prime.

Together with 1119821, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1119821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559911 + 559912.

It is an arithmetic number, because the mean of its divisors is an integer number (559912).

2^1119823 is an apocalyptic number.

1119823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1119823 is an equidigital number, since it uses as much as digits as its factorization.

1119823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 25.

The square root of 1119823 is about 1058.2168964820. The cubic root of 1119823 is about 103.8444110854.

The spelling of 1119823 in words is "one million, one hundred nineteen thousand, eight hundred twenty-three".