23528008443 has 16 divisors (see below), whose sum is σ = 31628374016. Its totient is φ = 15556574880.

The previous prime is 23528008433. The next prime is 23528008463. The reversal of 23528008443 is 34480082532.

It is not a de Polignac number, because 23528008443 - 2²⁰ = 23526959867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23528008433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1351905 + ... + 1369197.

It is an arithmetic number, because the mean of its divisors is an integer number (1976773376).

Almost surely, 2^23528008443 is an apocalyptic number.

23528008443 is a deficient number, since it is larger than the sum of its proper divisors (8100365573).

23528008443 is a wasteful number, since it uses less digits than its factorization.

23528008443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20994.

The product of its (nonzero) digits is 184320, while the sum is 39.

The spelling of 23528008443 in words is "twenty-three billion, five hundred twenty-eight million, eight thousand, four hundred forty-three".