11423472 has 40 divisors (see below), whose sum is σ = 29640960. Its totient is φ = 3791040.

The previous prime is 11423459. The next prime is 11423497. The reversal of 11423472 is 27432411.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15529 + ... + 16247.

It is an arithmetic number, because the mean of its divisors is an integer number (741024).

Almost surely, 2^11423472 is an apocalyptic number.

11423472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11423472 is an abundant number, since it is smaller than the sum of its proper divisors (18217488).

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

11423472 is a wasteful number, since it uses less digits than its factorization.

11423472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061 (or 1055 counting only the distinct ones).

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

The square root of 11423472 is about 3379.8627191056. The cubic root of 11423472 is about 225.2160689843.

Adding to 11423472 its reverse (27432411), we get a palindrome (38855883).

The spelling of 11423472 in words is "eleven million, four hundred twenty-three thousand, four hundred seventy-two".