11617005723 has 16 divisors (see below), whose sum is σ = 15988275072. Its totient is φ = 7498088000.

The previous prime is 11617005721. The next prime is 11617005739. The reversal of 11617005723 is 32750071611.

It is a cyclic number.

It is not a de Polignac number, because 11617005723 - 2¹ = 11617005721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11617005721) 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, 344373 + ... + 376598.

It is an arithmetic number, because the mean of its divisors is an integer number (999267192).

Almost surely, 2^11617005723 is an apocalyptic number.

11617005723 is a deficient number, since it is larger than the sum of its proper divisors (4371269349).

11617005723 is a wasteful number, since it uses less digits than its factorization.

11617005723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721146.

The product of its (nonzero) digits is 8820, while the sum is 33.

The spelling of 11617005723 in words is "eleven billion, six hundred seventeen million, five thousand, seven hundred twenty-three".