11724023 has 4 divisors (see below), whose sum is σ = 11762520. Its totient is φ = 11685528.

The previous prime is 11724001. The next prime is 11724127. The reversal of 11724023 is 32042711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32042711 = 281 ⋅114031.

It is a cyclic number.

It is not a de Polignac number, because 11724023 - 2¹² = 11719927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11723986 and 11724004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11721023) 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, 18788 + ... + 19401.

It is an arithmetic number, because the mean of its divisors is an integer number (2940630).

Almost surely, 2^11724023 is an apocalyptic number.

11724023 is a deficient number, since it is larger than the sum of its proper divisors (38497).

11724023 is an equidigital number, since it uses as much as digits as its factorization.

11724023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38496.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 11724023 is about 3424.0360687353. The cubic root of 11724023 is about 227.1741371800.

Adding to 11724023 its reverse (32042711), we get a palindrome (43766734).

The spelling of 11724023 in words is "eleven million, seven hundred twenty-four thousand, twenty-three".