11723398318 has 4 divisors (see below), whose sum is σ = 17585097480. Its totient is φ = 5861699158.

The previous prime is 11723398301. The next prime is 11723398327. The reversal of 11723398318 is 81389332711.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2930849578 + ... + 2930849581.

It is an arithmetic number, because the mean of its divisors is an integer number (4396274370).

Almost surely, 2^11723398318 is an apocalyptic number.

11723398318 is a deficient number, since it is larger than the sum of its proper divisors (5861699162).

11723398318 is an equidigital number, since it uses as much as digits as its factorization.

11723398318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5861699161.

The product of its digits is 217728, while the sum is 46.

The spelling of 11723398318 in words is "eleven billion, seven hundred twenty-three million, three hundred ninety-eight thousand, three hundred eighteen".