23652570819 has 4 divisors (see below), whose sum is σ = 31536761096. Its totient is φ = 15768380544.

The previous prime is 23652570817. The next prime is 23652570833. The reversal of 23652570819 is 91807525632.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23652570819 - 2¹ = 23652570817 is a prime.

It is a super-2 number, since 2×23652570819² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23652570817) 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 3 ways as a sum of consecutive naturals, for example, 3942095134 + ... + 3942095139.

It is an arithmetic number, because the mean of its divisors is an integer number (7884190274).

Almost surely, 2^23652570819 is an apocalyptic number.

23652570819 is a deficient number, since it is larger than the sum of its proper divisors (7884190277).

23652570819 is an equidigital number, since it uses as much as digits as its factorization.

23652570819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7884190276.

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 23652570819 in words is "twenty-three billion, six hundred fifty-two million, five hundred seventy thousand, eight hundred nineteen".