11723473365 has 16 divisors (see below), whose sum is σ = 18892507200. Its totient is φ = 6207535872.

The previous prime is 11723473301. The next prime is 11723473369. The reversal of 11723473365 is 56337432711.

It is a happy number.

It is not a de Polignac number, because 11723473365 - 2⁶ = 11723473301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11723473369) 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, 2809300 + ... + 2813469.

It is an arithmetic number, because the mean of its divisors is an integer number (1180781700).

Almost surely, 2^11723473365 is an apocalyptic number.

11723473365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11723473365 is a deficient number, since it is larger than the sum of its proper divisors (7169033835).

11723473365 is a wasteful number, since it uses less digits than its factorization.

11723473365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5622916.

The product of its digits is 317520, while the sum is 42.

The spelling of 11723473365 in words is "eleven billion, seven hundred twenty-three million, four hundred seventy-three thousand, three hundred sixty-five".