11623239 has 6 divisors (see below), whose sum is σ = 16789136. Its totient is φ = 7748820.

The previous prime is 11623169. The next prime is 11623243. The reversal of 11623239 is 93232611.

11623239 is a `hidden beast` number, since 1 + 1 + 623 + 2 + 39 = 666.

11623239 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11623239 - 2⁷ = 11623111 is a prime.

It is a super-2 number, since 2×11623239² = 270199369702242, 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 (11623259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 645727 + ... + 645744.

Almost surely, 2^11623239 is an apocalyptic number.

11623239 is a deficient number, since it is larger than the sum of its proper divisors (5165897).

11623239 is a wasteful number, since it uses less digits than its factorization.

11623239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291477 (or 1291474 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 11623239 is about 3409.2871688962. The cubic root of 11623239 is about 226.5213055408.

The spelling of 11623239 in words is "eleven million, six hundred twenty-three thousand, two hundred thirty-nine".