11723661038 has 8 divisors (see below), whose sum is σ = 17589058320. Its totient is φ = 5860641600.

The previous prime is 11723661013. The next prime is 11723661041. The reversal of 11723661038 is 83016632711.

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

It is a junction number, because it is equal to n+sod(n) for n = 11723660992 and 11723661010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582083 + ... + 601886.

It is an arithmetic number, because the mean of its divisors is an integer number (2198632290).

Almost surely, 2^11723661038 is an apocalyptic number.

11723661038 is a deficient number, since it is larger than the sum of its proper divisors (5865397282).

11723661038 is a wasteful number, since it uses less digits than its factorization.

11723661038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188922.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 11723661038 in words is "eleven billion, seven hundred twenty-three million, six hundred sixty-one thousand, thirty-eight".