23247879205 has 4 divisors (see below), whose sum is σ = 27897455052. Its totient is φ = 18598303360.

The previous prime is 23247879139. The next prime is 23247879217. The reversal of 23247879205 is 50297874232.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5484587364 + 17763291841 = 74058^2 + 133279^2 .

It is not a de Polignac number, because 23247879205 - 2¹⁹ = 23247354917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2324787916 + ... + 2324787925.

It is an arithmetic number, because the mean of its divisors is an integer number (6974363763).

Almost surely, 2^23247879205 is an apocalyptic number.

It is an amenable number.

23247879205 is a deficient number, since it is larger than the sum of its proper divisors (4649575847).

23247879205 is an equidigital number, since it uses as much as digits as its factorization.

23247879205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4649575846.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 23247879205 in words is "twenty-three billion, two hundred forty-seven million, eight hundred seventy-nine thousand, two hundred five".