23420133205 has 16 divisors (see below), whose sum is σ = 32123620224. Its totient is φ = 16057229760.

The previous prime is 23420133199. The next prime is 23420133227. The reversal of 23420133205 is 50233102432.

It is not a de Polignac number, because 23420133205 - 2⁵ = 23420133173 is a prime.

It is a super-4 number, since 4×23420133205⁴ (a number of 43 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23420133205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222834 + ... + 310636.

It is an arithmetic number, because the mean of its divisors is an integer number (2007726264).

Almost surely, 2^23420133205 is an apocalyptic number.

It is an amenable number.

23420133205 is a deficient number, since it is larger than the sum of its proper divisors (8703487019).

23420133205 is an equidigital number, since it uses as much as digits as its factorization.

23420133205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95436.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 23420133205 its reverse (50233102432), we get a palindrome (73653235637).

The spelling of 23420133205 in words is "twenty-three billion, four hundred twenty million, one hundred thirty-three thousand, two hundred five".