23225315571 has 20 divisors (see below), whose sum is σ = 35052295432. Its totient is φ = 15323914368.

The previous prime is 23225315507. The next prime is 23225315573. The reversal of 23225315571 is 17551352232.

23225315571 is a `hidden beast` number, since 2 + 3 + 2 + 2 + 531 + 55 + 71 = 666.

It is not a de Polignac number, because 23225315571 - 2⁶ = 23225315507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23225315573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1470145 + ... + 1485858.

Almost surely, 2^23225315571 is an apocalyptic number.

23225315571 is a deficient number, since it is larger than the sum of its proper divisors (11826979861).

23225315571 is an equidigital number, since it uses as much as digits as its factorization.

23225315571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2956112 (or 2956103 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The spelling of 23225315571 in words is "twenty-three billion, two hundred twenty-five million, three hundred fifteen thousand, five hundred seventy-one".