11123448 has 64 divisors (see below), whose sum is σ = 32252160. Its totient is φ = 3131136.

The previous prime is 11123393. The next prime is 11123471. The reversal of 11123448 is 84432111.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11811 + ... + 12717.

It is an arithmetic number, because the mean of its divisors is an integer number (503940).

Almost surely, 2^11123448 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 11123448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16126080).

11123448 is an abundant number, since it is smaller than the sum of its proper divisors (21128712).

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

11123448 is a wasteful number, since it uses less digits than its factorization.

11123448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996 (or 992 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 11123448 is about 3335.1833532806. The cubic root of 11123448 is about 223.2268733461.

Adding to 11123448 its reverse (84432111), we get a palindrome (95555559).

It can be divided in two parts, 1112 and 3448, that added together give a triangular number (4560 = T₉₅).

The spelling of 11123448 in words is "eleven million, one hundred twenty-three thousand, four hundred forty-eight".