1133623663 has 4 divisors (see below), whose sum is σ = 1159987048. Its totient is φ = 1107260280.

The previous prime is 1133623661. The next prime is 1133623703. The reversal of 1133623663 is 3663263311.

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 1133623663 - 2¹ = 1133623661 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 (1133623661) 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, 13181628 + ... + 13181713.

It is an arithmetic number, because the mean of its divisors is an integer number (289996762).

Almost surely, 2^1133623663 is an apocalyptic number.

1133623663 is a deficient number, since it is larger than the sum of its proper divisors (26363385).

1133623663 is an equidigital number, since it uses as much as digits as its factorization.

1133623663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26363384.

The product of its digits is 34992, while the sum is 34.

The square root of 1133623663 is about 33669.3282231767. The cubic root of 1133623663 is about 1042.6926229035.

Adding to 1133623663 its reverse (3663263311), we get a palindrome (4796886974).

The spelling of 1133623663 in words is "one billion, one hundred thirty-three million, six hundred twenty-three thousand, six hundred sixty-three".