20306323943 has 8 divisors (see below), whose sum is σ = 21008170800. Its totient is φ = 19604585728.

The previous prime is 20306323937. The next prime is 20306323963. The reversal of 20306323943 is 34932360302.

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 20306323943 - 2²⁴ = 20289546727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20306323903) 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, 594980 + ... + 628182.

It is an arithmetic number, because the mean of its divisors is an integer number (2626021350).

Almost surely, 2^20306323943 is an apocalyptic number.

20306323943 is a deficient number, since it is larger than the sum of its proper divisors (701846857).

20306323943 is a wasteful number, since it uses less digits than its factorization.

20306323943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54321.

The product of its (nonzero) digits is 69984, while the sum is 35.

The spelling of 20306323943 in words is "twenty billion, three hundred six million, three hundred twenty-three thousand, nine hundred forty-three".