23461820859 has 4 divisors (see below), whose sum is σ = 31282427816. Its totient is φ = 15641213904.

The previous prime is 23461820849. The next prime is 23461820897. The reversal of 23461820859 is 95802816432.

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

It is not a de Polignac number, because 23461820859 - 2¹⁶ = 23461755323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23461820849) 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, 3910303474 + ... + 3910303479.

It is an arithmetic number, because the mean of its divisors is an integer number (7820606954).

Almost surely, 2^23461820859 is an apocalyptic number.

23461820859 is a deficient number, since it is larger than the sum of its proper divisors (7820606957).

23461820859 is an equidigital number, since it uses as much as digits as its factorization.

23461820859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7820606956.

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 23461820859 in words is "twenty-three billion, four hundred sixty-one million, eight hundred twenty thousand, eight hundred fifty-nine".