11623183816 has 8 divisors (see below), whose sum is σ = 21793469670. Its totient is φ = 5811591904.

The previous prime is 11623183813. The next prime is 11623183853. The reversal of 11623183816 is 61838132611.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8546262916 + 3076920900 = 92446^2 + 55470^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (11623183813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726448981 + ... + 726448996.

Almost surely, 2^11623183816 is an apocalyptic number.

It is an amenable number.

11623183816 is a deficient number, since it is larger than the sum of its proper divisors (10170285854).

11623183816 is a wasteful number, since it uses less digits than its factorization.

11623183816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452897983 (or 1452897979 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The spelling of 11623183816 in words is "eleven billion, six hundred twenty-three million, one hundred eighty-three thousand, eight hundred sixteen".