11823423 has 16 divisors (see below), whose sum is σ = 16287360. Its totient is φ = 7625376.

The previous prime is 11823421. The next prime is 11823443. The reversal of 11823423 is 32432811.

It is not a de Polignac number, because 11823423 - 2¹ = 11823421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11823393 and 11823402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11823421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11361 + ... + 12357.

It is an arithmetic number, because the mean of its divisors is an integer number (1017960).

Almost surely, 2^11823423 is an apocalyptic number.

11823423 is a deficient number, since it is larger than the sum of its proper divisors (4463937).

11823423 is an equidigital number, since it uses as much as digits as its factorization.

11823423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126.

The product of its digits is 1152, while the sum is 24.

The square root of 11823423 is about 3438.5204667124. The cubic root of 11823423 is about 227.8143494894.

It can be divided in two parts, 11823 and 423, that added together give a triangular number (12246 = T₁₅₆).

The spelling of 11823423 in words is "eleven million, eight hundred twenty-three thousand, four hundred twenty-three".