11423772 has 18 divisors (see below), whose sum is σ = 28876848. Its totient is φ = 3807912.

The previous prime is 11423761. The next prime is 11423821. The reversal of 11423772 is 27732411.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 158628 + ... + 158699.

Almost surely, 2^11423772 is an apocalyptic number.

11423772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11423772 is an abundant number, since it is smaller than the sum of its proper divisors (17453076).

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

11423772 is a wasteful number, since it uses less digits than its factorization.

11423772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317337 (or 317332 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 11423772 is about 3379.9070993150. The cubic root of 11423772 is about 225.2180404874.

The spelling of 11423772 in words is "eleven million, four hundred twenty-three thousand, seven hundred seventy-two".