1123302123 has 6 divisors (see below), whose sum is σ = 1622547524. Its totient is φ = 748868076.

The previous prime is 1123302119. The next prime is 1123302199. The reversal of 1123302123 is 3212033211.

It is not a de Polignac number, because 1123302123 - 2² = 1123302119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123302096 and 1123302105.

It is not an unprimeable number, because it can be changed into a prime (1123302113) 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 5 ways as a sum of consecutive naturals, for example, 62405665 + ... + 62405682.

Almost surely, 2^1123302123 is an apocalyptic number.

1123302123 is a deficient number, since it is larger than the sum of its proper divisors (499245401).

1123302123 is a wasteful number, since it uses less digits than its factorization.

1123302123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124811353 (or 124811350 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1123302123 is about 33515.6996495672. The cubic root of 1123302123 is about 1039.5184293490.

Adding to 1123302123 its reverse (3212033211), we get a palindrome (4335335334).

The spelling of 1123302123 in words is "one billion, one hundred twenty-three million, three hundred two thousand, one hundred twenty-three".