23443203541 has 8 divisors (see below), whose sum is σ = 25678154520. Its totient is φ = 21303356928.

The previous prime is 23443203533. The next prime is 23443203551. The reversal of 23443203541 is 14530234432.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2251122916 + 21192080625 = 47446^2 + 145575^2 .

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 23443203541 - 2³ = 23443203533 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 (23443203551) 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, 23775576 + ... + 23776561.

It is an arithmetic number, because the mean of its divisors is an integer number (3209769315).

Almost surely, 2^23443203541 is an apocalyptic number.

It is an amenable number.

23443203541 is a deficient number, since it is larger than the sum of its proper divisors (2234950979).

23443203541 is a wasteful number, since it uses less digits than its factorization.

23443203541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47552183.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 23443203541 its reverse (14530234432), we get a palindrome (37973437973).

The spelling of 23443203541 in words is "twenty-three billion, four hundred forty-three million, two hundred three thousand, five hundred forty-one".