11671440923 has 8 divisors (see below), whose sum is σ = 11696523168. Its totient is φ = 11646379584.

The previous prime is 11671440889. The next prime is 11671440929. The reversal of 11671440923 is 32904417611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11671440923 - 2²⁰ = 11670392347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11671440929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1619015 + ... + 1626207.

It is an arithmetic number, because the mean of its divisors is an integer number (1462065396).

Almost surely, 2^11671440923 is an apocalyptic number.

11671440923 is a deficient number, since it is larger than the sum of its proper divisors (25082245).

11671440923 is an equidigital number, since it uses as much as digits as its factorization.

11671440923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10453.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 11671440923 in words is "eleven billion, six hundred seventy-one million, four hundred forty thousand, nine hundred twenty-three".