1123125323 has 4 divisors (see below), whose sum is σ = 1124658288. Its totient is φ = 1121592360.

The previous prime is 1123125313. The next prime is 1123125379. The reversal of 1123125323 is 3235213211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3235213211 = 103 ⋅31409837.

It is a cyclic number.

It is not a de Polignac number, because 1123125323 - 2¹⁶ = 1123059787 is a prime.

It is a super-2 number, since 2×1123125323² = 2522820982327708658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123125313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 765383 + ... + 766848.

It is an arithmetic number, because the mean of its divisors is an integer number (281164572).

Almost surely, 2^1123125323 is an apocalyptic number.

1123125323 is a deficient number, since it is larger than the sum of its proper divisors (1532965).

1123125323 is an equidigital number, since it uses as much as digits as its factorization.

1123125323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532964.

The product of its digits is 1080, while the sum is 23.

The square root of 1123125323 is about 33513.0619758923. The cubic root of 1123125323 is about 1039.4638888125.

Adding to 1123125323 its reverse (3235213211), we get a palindrome (4358338534).

The spelling of 1123125323 in words is "one billion, one hundred twenty-three million, one hundred twenty-five thousand, three hundred twenty-three".