11318623 has 4 divisors (see below), whose sum is σ = 11914360. Its totient is φ = 10722888.

The previous prime is 11318609. The next prime is 11318641. The reversal of 11318623 is 32681311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11318623 is a prime.

It is a super-2 number, since 2×11318623² = 256222453232258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11318603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297840 + ... + 297877.

It is an arithmetic number, because the mean of its divisors is an integer number (2978590).

Almost surely, 2^11318623 is an apocalyptic number.

11318623 is a deficient number, since it is larger than the sum of its proper divisors (595737).

11318623 is an equidigital number, since it uses as much as digits as its factorization.

11318623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595736.

The product of its digits is 864, while the sum is 25.

The square root of 11318623 is about 3364.3161266445. The cubic root of 11318623 is about 224.5249103067.

Adding to 11318623 its reverse (32681311), we get a palindrome (43999934).

The spelling of 11318623 in words is "eleven million, three hundred eighteen thousand, six hundred twenty-three".