1133244023 has 4 divisors (see below), whose sum is σ = 1133667528. Its totient is φ = 1132820520.

The previous prime is 1133244001. The next prime is 1133244041. The reversal of 1133244023 is 3204423311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3204423311 = 109 ⋅29398379.

It is a cyclic number.

It is not a de Polignac number, because 1133244023 - 2⁶ = 1133243959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1133244023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133244823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207713 + ... + 213098.

It is an arithmetic number, because the mean of its divisors is an integer number (283416882).

Almost surely, 2^1133244023 is an apocalyptic number.

1133244023 is a deficient number, since it is larger than the sum of its proper divisors (423505).

1133244023 is an equidigital number, since it uses as much as digits as its factorization.

1133244023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423504.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1133244023 is about 33663.6899789670. The cubic root of 1133244023 is about 1042.5762138938.

Adding to 1133244023 its reverse (3204423311), we get a palindrome (4337667334).

It can be divided in two parts, 11332 and 44023, that added together give a palindrome (55355).

The spelling of 1133244023 in words is "one billion, one hundred thirty-three million, two hundred forty-four thousand, twenty-three".