1223893 has 4 divisors (see below), whose sum is σ = 1335168. Its totient is φ = 1112620.

The previous prime is 1223879. The next prime is 1223897. The reversal of 1223893 is 3983221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1223893 - 2⁹ = 1223381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223897) 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 3 ways as a sum of consecutive naturals, for example, 55621 + ... + 55642.

It is an arithmetic number, because the mean of its divisors is an integer number (333792).

2^1223893 is an apocalyptic number.

It is an amenable number.

1223893 is a deficient number, since it is larger than the sum of its proper divisors (111275).

1223893 is a wasteful number, since it uses less digits than its factorization.

1223893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111274.

The product of its digits is 2592, while the sum is 28.

The square root of 1223893 is about 1106.2969764037. The cubic root of 1223893 is about 106.9665076997.

It can be divided in two parts, 1223 and 893, that added together give a square (2116 = 46²).

The spelling of 1223893 in words is "one million, two hundred twenty-three thousand, eight hundred ninety-three".