23428468205 has 4 divisors (see below), whose sum is σ = 28114161852. Its totient is φ = 18742774560.

The previous prime is 23428468139. The next prime is 23428468207. The reversal of 23428468205 is 50286482432.

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 17954392036 + 5474076169 = 133994^2 + 73987^2 .

It is not a de Polignac number, because 23428468205 - 2¹² = 23428464109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23428468207) by changing a digit.

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, 2342846816 + ... + 2342846825.

It is an arithmetic number, because the mean of its divisors is an integer number (7028540463).

Almost surely, 2^23428468205 is an apocalyptic number.

It is an amenable number.

23428468205 is a deficient number, since it is larger than the sum of its proper divisors (4685693647).

23428468205 is an equidigital number, since it uses as much as digits as its factorization.

23428468205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4685693646.

The product of its (nonzero) digits is 737280, while the sum is 44.

The spelling of 23428468205 in words is "twenty-three billion, four hundred twenty-eight million, four hundred sixty-eight thousand, two hundred five".