11928623 has 8 divisors (see below), whose sum is σ = 13694592. Its totient is φ = 10178136.

The previous prime is 11928589. The next prime is 11928641. The reversal of 11928623 is 32682911.

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-11928623 is a prime.

It is a super-2 number, since 2×11928623² = 284584093352258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11928623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11925623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2165 + ... + 5342.

It is an arithmetic number, because the mean of its divisors is an integer number (1711824).

Almost surely, 2^11928623 is an apocalyptic number.

11928623 is a deficient number, since it is larger than the sum of its proper divisors (1765969).

11928623 is an equidigital number, since it uses as much as digits as its factorization.

11928623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7741.

The product of its digits is 5184, while the sum is 32.

The square root of 11928623 is about 3453.7838670073. The cubic root of 11928623 is about 228.4880218189.

The spelling of 11928623 in words is "eleven million, nine hundred twenty-eight thousand, six hundred twenty-three".