23474865571 has 4 divisors (see below), whose sum is σ = 23487294600. Its totient is φ = 23462436544.

The previous prime is 23474865493. The next prime is 23474865593. The reversal of 23474865571 is 17556847432.

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 23474865571 - 2¹⁹ = 23474341283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23474865371) 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, 6211681 + ... + 6215458.

It is an arithmetic number, because the mean of its divisors is an integer number (5871823650).

Almost surely, 2^23474865571 is an apocalyptic number.

23474865571 is a deficient number, since it is larger than the sum of its proper divisors (12429029).

23474865571 is a wasteful number, since it uses less digits than its factorization.

23474865571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12429028.

The product of its digits is 5644800, while the sum is 52.

The spelling of 23474865571 in words is "twenty-three billion, four hundred seventy-four million, eight hundred sixty-five thousand, five hundred seventy-one".