23943141571 has 2 divisors, whose sum is σ = 23943141572. Its totient is φ = 23943141570.

The previous prime is 23943141533. The next prime is 23943141577. The reversal of 23943141571 is 17514134932.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23943141571 - 2²¹ = 23941044419 is a prime.

It is not a weakly prime, because it can be changed into another prime (23943141577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11971570785 + 11971570786.

It is an arithmetic number, because the mean of its divisors is an integer number (11971570786).

Almost surely, 2^23943141571 is an apocalyptic number.

23943141571 is a deficient number, since it is larger than the sum of its proper divisors (1).

23943141571 is an equidigital number, since it uses as much as digits as its factorization.

23943141571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The spelling of 23943141571 in words is "twenty-three billion, nine hundred forty-three million, one hundred forty-one thousand, five hundred seventy-one".