1224023 has 4 divisors (see below), whose sum is σ = 1242360. Its totient is φ = 1205688.

The previous prime is 1223993. The next prime is 1224029. The reversal of 1224023 is 3204221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3204221 = 53 ⋅60457.

It is a cyclic number.

It is not a de Polignac number, because 1224023 - 2⁸ = 1223767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1223989 and 1224007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9068 + ... + 9201.

It is an arithmetic number, because the mean of its divisors is an integer number (310590).

2^1224023 is an apocalyptic number.

1224023 is a deficient number, since it is larger than the sum of its proper divisors (18337).

1224023 is an equidigital number, since it uses as much as digits as its factorization.

1224023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18336.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1224023 is about 1106.3557294108. The cubic root of 1224023 is about 106.9702948373.

Adding to 1224023 its reverse (3204221), we get a palindrome (4428244).

The spelling of 1224023 in words is "one million, two hundred twenty-four thousand, twenty-three".