11990772823 has 8 divisors (see below), whose sum is σ = 12115066320. Its totient is φ = 11866588800.

The previous prime is 11990772797. The next prime is 11990772851. The reversal of 11990772823 is 32827709911.

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 11990772823 - 2¹³ = 11990764631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11990772223) 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, 202783 + ... + 255151.

It is an arithmetic number, because the mean of its divisors is an integer number (1514383290).

Almost surely, 2^11990772823 is an apocalyptic number.

11990772823 is a deficient number, since it is larger than the sum of its proper divisors (124293497).

11990772823 is a wasteful number, since it uses less digits than its factorization.

11990772823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54737.

The product of its (nonzero) digits is 381024, while the sum is 49.

The spelling of 11990772823 in words is "eleven billion, nine hundred ninety million, seven hundred seventy-two thousand, eight hundred twenty-three".