23443020331019 has 4 divisors (see below), whose sum is σ = 23493872870160. Its totient is φ = 23392167791880.

The previous prime is 23443020331007. The next prime is 23443020331037. The reversal of 23443020331019 is 91013302034432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23443020331019 - 2³² = 23438725363723 is a prime.

It is a super-2 number, since 2×23443020331019² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23443020331019.

It is not an unprimeable number, because it can be changed into a prime (23443020337019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25426268879 + ... + 25426269800.

It is an arithmetic number, because the mean of its divisors is an integer number (5873468217540).

Almost surely, 2^{23443020331019} is an apocalyptic number.

23443020331019 is a deficient number, since it is larger than the sum of its proper divisors (50852539141).

23443020331019 is an equidigital number, since it uses as much as digits as its factorization.

23443020331019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50852539140.

The product of its (nonzero) digits is 46656, while the sum is 35.

The spelling of 23443020331019 in words is "twenty-three trillion, four hundred forty-three billion, twenty million, three hundred thirty-one thousand, nineteen".