20091305323 has 8 divisors (see below), whose sum is σ = 20302249968. Its totient is φ = 19880438784.

The previous prime is 20091305303. The next prime is 20091305327. The reversal of 20091305323 is 32350319002.

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 20091305323 - 2⁹ = 20091304811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20091305291 and 20091305300.

It is not an unprimeable number, because it can be changed into a prime (20091305327) 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, 599940 + ... + 632542.

It is an arithmetic number, because the mean of its divisors is an integer number (2537781246).

Almost surely, 2^20091305323 is an apocalyptic number.

20091305323 is a deficient number, since it is larger than the sum of its proper divisors (210944645).

20091305323 is an equidigital number, since it uses as much as digits as its factorization.

20091305323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39053.

The product of its (nonzero) digits is 4860, while the sum is 28.

The spelling of 20091305323 in words is "twenty billion, ninety-one million, three hundred five thousand, three hundred twenty-three".