23531245443 has 12 divisors (see below), whose sum is σ = 35248450328. Its totient is φ = 15687496800.

The previous prime is 23531245429. The next prime is 23531245483. The reversal of 23531245443 is 34454213532.

It is not a de Polignac number, because 23531245443 - 2⁴ = 23531245427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23531245398 and 23531245407.

It is not an unprimeable number, because it can be changed into a prime (23531245483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48417958 + ... + 48418443.

Almost surely, 2^23531245443 is an apocalyptic number.

23531245443 is a deficient number, since it is larger than the sum of its proper divisors (11717204885).

23531245443 is an frugal number, since it uses more digits than its factorization.

23531245443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96836416 (or 96836404 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

Adding to 23531245443 its reverse (34454213532), we get a palindrome (57985458975).

The spelling of 23531245443 in words is "twenty-three billion, five hundred thirty-one million, two hundred forty-five thousand, four hundred forty-three".