11405773923 has 8 divisors (see below), whose sum is σ = 15208928448. Its totient is φ = 7603234344.

The previous prime is 11405773919. The next prime is 11405773931. The reversal of 11405773923 is 32937750411.

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

It is not a de Polignac number, because 11405773923 - 2² = 11405773919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11405773903) 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, 108561 + ... + 186002.

It is an arithmetic number, because the mean of its divisors is an integer number (1901116056).

Almost surely, 2^11405773923 is an apocalyptic number.

11405773923 is a deficient number, since it is larger than the sum of its proper divisors (3803154525).

11405773923 is a wasteful number, since it uses less digits than its factorization.

11405773923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307473.

The product of its (nonzero) digits is 158760, while the sum is 42.

The spelling of 11405773923 in words is "eleven billion, four hundred five million, seven hundred seventy-three thousand, nine hundred twenty-three".