723941616161 has 8 divisors (see below), whose sum is σ = 737184210048. Its totient is φ = 710783640000.

The previous prime is 723941616131. The next prime is 723941616173. The reversal of 723941616161 is 161616149327.

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 723941616161 - 2²⁶ = 723874507297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (723941616131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21137165 + ... + 21171386.

It is an arithmetic number, because the mean of its divisors is an integer number (92148026256).

Almost surely, 2^723941616161 is an apocalyptic number.

723941616161 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

723941616161 is a deficient number, since it is larger than the sum of its proper divisors (13242593887).

723941616161 is a wasteful number, since it uses less digits than its factorization.

723941616161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42308863.

The product of its digits is 326592, while the sum is 47.

The spelling of 723941616161 in words is "seven hundred twenty-three billion, nine hundred forty-one million, six hundred sixteen thousand, one hundred sixty-one".