1123023 has 8 divisors (see below), whose sum is σ = 1633536. Its totient is φ = 680600.

The previous prime is 1122997. The next prime is 1123051. The reversal of 1123023 is 3203211.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1123023 - 2¹⁶ = 1057487 is a prime.

It is a super-2 number, since 2×1123023² = 2522361317058, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123093) 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, 16983 + ... + 17048.

It is an arithmetic number, because the mean of its divisors is an integer number (204192).

2^1123023 is an apocalyptic number.

1123023 is a deficient number, since it is larger than the sum of its proper divisors (510513).

1123023 is a wasteful number, since it uses less digits than its factorization.

1123023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34045.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1123023 is about 1059.7277952380. The cubic root of 1123023 is about 103.9432320862.

Adding to 1123023 its reverse (3203211), we get a palindrome (4326234).

The spelling of 1123023 in words is "one million, one hundred twenty-three thousand, twenty-three".