11923488 has 72 divisors (see below), whose sum is σ = 35708400. Its totient is φ = 3763584.

The previous prime is 11923481. The next prime is 11923493. The reversal of 11923488 is 88432911.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×11923488² = 284339132172288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (11923481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4383 + ... + 6561.

It is an arithmetic number, because the mean of its divisors is an integer number (495950).

Almost surely, 2^11923488 is an apocalyptic number.

11923488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11923488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17854200).

11923488 is an abundant number, since it is smaller than the sum of its proper divisors (23784912).

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

11923488 is a wasteful number, since it uses less digits than its factorization.

11923488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214 (or 2203 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 11923488 is about 3453.0403994161. The cubic root of 11923488 is about 228.4552308201.

The spelling of 11923488 in words is "eleven million, nine hundred twenty-three thousand, four hundred eighty-eight".