11118623 has 2 divisors, whose sum is σ = 11118624. Its totient is φ = 11118622.

The previous prime is 11118617. The next prime is 11118643. The reversal of 11118623 is 32681111.

11118623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (32681111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11118623 - 2⁴ = 11118607 is a prime.

It is a super-2 number, since 2×11118623² = 247247554832258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11118643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5559311 + 5559312.

It is an arithmetic number, because the mean of its divisors is an integer number (5559312).

Almost surely, 2^11118623 is an apocalyptic number.

11118623 is a deficient number, since it is larger than the sum of its proper divisors (1).

11118623 is an equidigital number, since it uses as much as digits as its factorization.

11118623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 23.

The square root of 11118623 is about 3334.4599262849. The cubic root of 11118623 is about 223.1945924252.

Adding to 11118623 its reverse (32681111), we get a palindrome (43799734).

The spelling of 11118623 in words is "eleven million, one hundred eighteen thousand, six hundred twenty-three".