11780923 has 18 divisors (see below), whose sum is σ = 15071028. Its totient is φ = 9175320.

The previous prime is 11780921. The next prime is 11780927. The reversal of 11780923 is 32908711.

It is not a de Polignac number, because 11780923 - 2¹ = 11780921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11780921) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4936 + ... + 6922.

Almost surely, 2^11780923 is an apocalyptic number.

11780923 is a deficient number, since it is larger than the sum of its proper divisors (3290105).

11780923 is a wasteful number, since it uses less digits than its factorization.

11780923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023 (or 2005 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 11780923 is about 3432.3349195555. The cubic root of 11780923 is about 227.5410576785.

The spelling of 11780923 in words is "eleven million, seven hundred eighty thousand, nine hundred twenty-three".