1183123 has 2 divisors, whose sum is σ = 1183124. Its totient is φ = 1183122.

The previous prime is 1183121. The next prime is 1183141. The reversal of 1183123 is 3213811.

It is a weak prime.

It is an emirp because it is prime and its reverse (3213811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1183123 - 2¹ = 1183121 is a prime.

Together with 1183121, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1183123.

It is not a weakly prime, because it can be changed into another prime (1183121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 591561 + 591562.

It is an arithmetic number, because the mean of its divisors is an integer number (591562).

2^1183123 is an apocalyptic number.

1183123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1183123 is an equidigital number, since it uses as much as digits as its factorization.

1183123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 19.

The square root of 1183123 is about 1087.7145765319. The cubic root of 1183123 is about 105.7653227596.

Adding to 1183123 its reverse (3213811), we get a palindrome (4396934).

The spelling of 1183123 in words is "one million, one hundred eighty-three thousand, one hundred twenty-three".