1123303865 has 8 divisors (see below), whose sum is σ = 1354354368. Its totient is φ = 894383280.

The previous prime is 1123303859. The next prime is 1123303873. The reversal of 1123303865 is 5683033211.

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

It is not a de Polignac number, because 1123303865 - 2¹⁰ = 1123302841 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531317 + ... + 533426.

It is an arithmetic number, because the mean of its divisors is an integer number (169294296).

Almost surely, 2^1123303865 is an apocalyptic number.

It is an amenable number.

1123303865 is a deficient number, since it is larger than the sum of its proper divisors (231050503).

1123303865 is a wasteful number, since it uses less digits than its factorization.

1123303865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064959.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 1123303865 is about 33515.7256373780. The cubic root of 1123303865 is about 1039.5189667052.

The spelling of 1123303865 in words is "one billion, one hundred twenty-three million, three hundred three thousand, eight hundred sixty-five".