11772923 has 4 divisors (see below), whose sum is σ = 11779848. Its totient is φ = 11766000.

The previous prime is 11772911. The next prime is 11772931. The reversal of 11772923 is 32927711.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11772923 - 2¹⁰ = 11771899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11772923.

It is not an unprimeable number, because it can be changed into a prime (11772953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1040 + ... + 4962.

It is an arithmetic number, because the mean of its divisors is an integer number (2944962).

Almost surely, 2^11772923 is an apocalyptic number.

11772923 is a deficient number, since it is larger than the sum of its proper divisors (6925).

11772923 is an equidigital number, since it uses as much as digits as its factorization.

11772923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6924.

The product of its digits is 5292, while the sum is 32.

The square root of 11772923 is about 3431.1693342066. The cubic root of 11772923 is about 227.4895410399.

The spelling of 11772923 in words is "eleven million, seven hundred seventy-two thousand, nine hundred twenty-three".