11423724 has 72 divisors (see below), whose sum is σ = 29760192. Its totient is φ = 3407040.

The previous prime is 11423689. The next prime is 11423747. The reversal of 11423724 is 42732411.

It is a happy number.

Its product of digits (1344) is a multiple of the sum of its prime divisors (192).

It is a junction number, because it is equal to n+sod(n) for n = 11423694 and 11423703.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87139 + ... + 87269.

It is an arithmetic number, because the mean of its divisors is an integer number (413336).

Almost surely, 2^11423724 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11423724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14880096).

11423724 is an abundant number, since it is smaller than the sum of its proper divisors (18336468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11423724 is a wasteful number, since it uses less digits than its factorization.

11423724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 192 counting only the distinct ones).

The product of its digits is 1344, while the sum is 24.

The square root of 11423724 is about 3379.8999985207. The cubic root of 11423724 is about 225.2177250492.

The spelling of 11423724 in words is "eleven million, four hundred twenty-three thousand, seven hundred twenty-four".