23530323253 has 4 divisors (see below), whose sum is σ = 24341713740. Its totient is φ = 22718932768.

The previous prime is 23530323251. The next prime is 23530323263. The reversal of 23530323253 is 35232303532.

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 6301660689 + 17228662564 = 79383^2 + 131258^2 .

It is a cyclic number.

It is not a de Polignac number, because 23530323253 - 2¹ = 23530323251 is a prime.

It is a super-2 number, since 2×23530323253² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23530323251) 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, 405695200 + ... + 405695257.

It is an arithmetic number, because the mean of its divisors is an integer number (6085428435).

Almost surely, 2^23530323253 is an apocalyptic number.

It is an amenable number.

23530323253 is a deficient number, since it is larger than the sum of its proper divisors (811390487).

23530323253 is an equidigital number, since it uses as much as digits as its factorization.

23530323253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811390486.

The product of its (nonzero) digits is 48600, while the sum is 31.

Adding to 23530323253 its reverse (35232303532), we get a palindrome (58762626785).

The spelling of 23530323253 in words is "twenty-three billion, five hundred thirty million, three hundred twenty-three thousand, two hundred fifty-three".