11423972 has 24 divisors (see below), whose sum is σ = 23467584. Its totient is φ = 4763232.

The previous prime is 11423933. The next prime is 11423977. The reversal of 11423972 is 27932411.

It is not an unprimeable number, because it can be changed into a prime (11423977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4478 + ... + 6549.

It is an arithmetic number, because the mean of its divisors is an integer number (977816).

Almost surely, 2^11423972 is an apocalyptic number.

It is an amenable number.

11423972 is an abundant number, since it is smaller than the sum of its proper divisors (12043612).

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

11423972 is a wasteful number, since it uses less digits than its factorization.

11423972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11075 (or 11073 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 11423972 is about 3379.9366857975. The cubic root of 11423972 is about 225.2193548035.

The spelling of 11423972 in words is "eleven million, four hundred twenty-three thousand, nine hundred seventy-two".