11723813993 has 16 divisors (see below), whose sum is σ = 12004626816. Its totient is φ = 11447147520.

The previous prime is 11723813977. The next prime is 11723814001. The reversal of 11723813993 is 39931832711.

It is not a de Polignac number, because 11723813993 - 2⁴ = 11723813977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11723813693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2506505 + ... + 2511177.

It is an arithmetic number, because the mean of its divisors is an integer number (750289176).

Almost surely, 2^11723813993 is an apocalyptic number.

It is an amenable number.

11723813993 is a deficient number, since it is larger than the sum of its proper divisors (280812823).

11723813993 is a wasteful number, since it uses less digits than its factorization.

11723813993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5104.

The product of its digits is 244944, while the sum is 47.

The spelling of 11723813993 in words is "eleven billion, seven hundred twenty-three million, eight hundred thirteen thousand, nine hundred ninety-three".