11772423 has 24 divisors (see below), whose sum is σ = 18432960. Its totient is φ = 7197120.

The previous prime is 11772407. The next prime is 11772427. The reversal of 11772423 is 32427711.

It is a happy number.

It is not a de Polignac number, because 11772423 - 2⁴ = 11772407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11772427) 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 23 ways as a sum of consecutive naturals, for example, 27753 + ... + 28173.

It is an arithmetic number, because the mean of its divisors is an integer number (768040).

Almost surely, 2^11772423 is an apocalyptic number.

11772423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11772423 is a deficient number, since it is larger than the sum of its proper divisors (6660537).

11772423 is a wasteful number, since it uses less digits than its factorization.

11772423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679 (or 676 counting only the distinct ones).

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

The square root of 11772423 is about 3431.0964719751. The cubic root of 11772423 is about 227.4863204752.

It can be divided in two parts, 1177 and 2423, that added together give a square (3600 = 60²).

The spelling of 11772423 in words is "eleven million, seven hundred seventy-two thousand, four hundred twenty-three".