23040221523571 has 4 divisors (see below), whose sum is σ = 26331681741232. Its totient is φ = 19748761305912.

The previous prime is 23040221523559. The next prime is 23040221523601. The reversal of 23040221523571 is 17532512204032.

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 23040221523571 - 2¹⁷ = 23040221392499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23040221523571.

It is not an unprimeable number, because it can be changed into a prime (23040221523511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1645730108820 + ... + 1645730108833.

It is an arithmetic number, because the mean of its divisors is an integer number (6582920435308).

Almost surely, 2^{23040221523571} is an apocalyptic number.

23040221523571 is a deficient number, since it is larger than the sum of its proper divisors (3291460217661).

23040221523571 is an equidigital number, since it uses as much as digits as its factorization.

23040221523571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291460217660.

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 23040221523571 in words is "twenty-three trillion, forty billion, two hundred twenty-one million, five hundred twenty-three thousand, five hundred seventy-one".