11623439 has 8 divisors (see below), whose sum is σ = 11987328. Its totient is φ = 11262240.

The previous prime is 11623411. The next prime is 11623453. The reversal of 11623439 is 93432611.

11623439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11623439 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 (11623739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11234 + ... + 12224.

It is an arithmetic number, because the mean of its divisors is an integer number (1498416).

Almost surely, 2^11623439 is an apocalyptic number.

11623439 is a deficient number, since it is larger than the sum of its proper divisors (363889).

11623439 is an equidigital number, since it uses as much as digits as its factorization.

11623439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345.

The product of its digits is 3888, while the sum is 29.

The square root of 11623439 is about 3409.3165004147. The cubic root of 11623439 is about 226.5226047771.

The spelling of 11623439 in words is "eleven million, six hundred twenty-three thousand, four hundred thirty-nine".