11726423 has 4 divisors (see below), whose sum is σ = 11734800. Its totient is φ = 11718048.

The previous prime is 11726419. The next prime is 11726437. The reversal of 11726423 is 32462711.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 32462711 = 83 ⋅391117.

It is a cyclic number.

It is not a de Polignac number, because 11726423 - 2² = 11726419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11726392 and 11726401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11726483) 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, 1523 + ... + 5076.

It is an arithmetic number, because the mean of its divisors is an integer number (2933700).

Almost surely, 2^11726423 is an apocalyptic number.

11726423 is a deficient number, since it is larger than the sum of its proper divisors (8377).

11726423 is an equidigital number, since it uses as much as digits as its factorization.

11726423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8376.

The product of its digits is 2016, while the sum is 26.

The square root of 11726423 is about 3424.3865143993. The cubic root of 11726423 is about 227.1896375684.

The spelling of 11726423 in words is "eleven million, seven hundred twenty-six thousand, four hundred twenty-three".