20304443023 has 8 divisors (see below), whose sum is σ = 21064755200. Its totient is φ = 19550714040.

The previous prime is 20304443021. The next prime is 20304443053. The reversal of 20304443023 is 32034440302.

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 20304443023 - 2¹ = 20304443021 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 (20304443021) 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, 1639515 + ... + 1651852.

It is an arithmetic number, because the mean of its divisors is an integer number (2633094400).

Almost surely, 2^20304443023 is an apocalyptic number.

20304443023 is a deficient number, since it is larger than the sum of its proper divisors (760312177).

20304443023 is a wasteful number, since it uses less digits than its factorization.

20304443023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3291597.

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 20304443023 its reverse (32034440302), we get a palindrome (52338883325).

The spelling of 20304443023 in words is "twenty billion, three hundred four million, four hundred forty-three thousand, twenty-three".