1123463555 has 4 divisors (see below), whose sum is σ = 1348156272. Its totient is φ = 898770840.

The previous prime is 1123463531. The next prime is 1123463573. The reversal of 1123463555 is 5553643211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5553643211 = 31 ⋅179149781.

It is not a de Polignac number, because 1123463555 - 2⁶ = 1123463491 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112346351 + ... + 112346360.

It is an arithmetic number, because the mean of its divisors is an integer number (337039068).

Almost surely, 2^1123463555 is an apocalyptic number.

1123463555 is a deficient number, since it is larger than the sum of its proper divisors (224692717).

1123463555 is an equidigital number, since it uses as much as digits as its factorization.

1123463555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224692716.

The product of its digits is 54000, while the sum is 35.

The square root of 1123463555 is about 33518.1078672410. The cubic root of 1123463555 is about 1039.5682240562.

The spelling of 1123463555 in words is "one billion, one hundred twenty-three million, four hundred sixty-three thousand, five hundred fifty-five".