23555443043 has 32 divisors (see below), whose sum is σ = 26791387392. Its totient is φ = 20695530240.

The previous prime is 23555443039. The next prime is 23555443061. The reversal of 23555443043 is 34034455532.

It is not a de Polignac number, because 23555443043 - 2² = 23555443039 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 23555442988 and 23555443006.

It is not an unprimeable number, because it can be changed into a prime (23555443003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5549480 + ... + 5553722.

It is an arithmetic number, because the mean of its divisors is an integer number (837230856).

Almost surely, 2^23555443043 is an apocalyptic number.

23555443043 is a deficient number, since it is larger than the sum of its proper divisors (3235944349).

23555443043 is an equidigital number, since it uses as much as digits as its factorization.

23555443043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4416 (or 4394 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 38.

Adding to 23555443043 its reverse (34034455532), we get a palindrome (57589898575).

The spelling of 23555443043 in words is "twenty-three billion, five hundred fifty-five million, four hundred forty-three thousand, forty-three".