11663357723 has 8 divisors (see below), whose sum is σ = 11702932368. Its totient is φ = 11623850784.

The previous prime is 11663357611. The next prime is 11663357729. The reversal of 11663357723 is 32775336611.

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

It is a cyclic number.

It is not a de Polignac number, because 11663357723 - 2²² = 11659163419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11663357729) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 340865 + ... + 373517.

It is an arithmetic number, because the mean of its divisors is an integer number (1462866546).

Almost surely, 2^11663357723 is an apocalyptic number.

11663357723 is a deficient number, since it is larger than the sum of its proper divisors (39574645).

11663357723 is an equidigital number, since it uses as much as digits as its factorization.

11663357723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33853.

The product of its digits is 476280, while the sum is 44.

The spelling of 11663357723 in words is "eleven billion, six hundred sixty-three million, three hundred fifty-seven thousand, seven hundred twenty-three".