1123344623 has 4 divisors (see below), whose sum is σ = 1123937448. Its totient is φ = 1122751800.

The previous prime is 1123344583. The next prime is 1123344637. The reversal of 1123344623 is 3264433211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1123344623 - 2⁶ = 1123344559 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 (1123344023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293561 + ... + 297362.

It is an arithmetic number, because the mean of its divisors is an integer number (280984362).

Almost surely, 2^1123344623 is an apocalyptic number.

1123344623 is a deficient number, since it is larger than the sum of its proper divisors (592825).

1123344623 is an equidigital number, since it uses as much as digits as its factorization.

1123344623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592824.

The product of its digits is 10368, while the sum is 29.

The square root of 1123344623 is about 33516.3336747921. Note that the first 3 decimals coincide. The cubic root of 1123344623 is about 1039.5315392017.

Adding to 1123344623 its reverse (3264433211), we get a palindrome (4387777834).

The spelling of 1123344623 in words is "one billion, one hundred twenty-three million, three hundred forty-four thousand, six hundred twenty-three".