23534252305 has 4 divisors (see below), whose sum is σ = 28241102772. Its totient is φ = 18827401840.

The previous prime is 23534252279. The next prime is 23534252309. The reversal of 23534252305 is 50325243532.

It is a happy number.

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 18303925264 + 5230327041 = 135292^2 + 72321^2 .

It is not a de Polignac number, because 23534252305 - 2⁷ = 23534252177 is a prime.

It is a super-2 number, since 2×23534252305² (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 (23534252309) 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, 2353425226 + ... + 2353425235.

It is an arithmetic number, because the mean of its divisors is an integer number (7060275693).

Almost surely, 2^23534252305 is an apocalyptic number.

It is an amenable number.

23534252305 is a deficient number, since it is larger than the sum of its proper divisors (4706850467).

23534252305 is an equidigital number, since it uses as much as digits as its factorization.

23534252305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4706850466.

The product of its (nonzero) digits is 108000, while the sum is 34.

Adding to 23534252305 its reverse (50325243532), we get a palindrome (73859495837).

The spelling of 23534252305 in words is "twenty-three billion, five hundred thirty-four million, two hundred fifty-two thousand, three hundred five".