23818608353 has 4 divisors (see below), whose sum is σ = 25219702980. Its totient is φ = 22417513728.

The previous prime is 23818608337. The next prime is 23818608361. The reversal of 23818608353 is 35380681832.

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 11857467664 + 11961140689 = 108892^2 + 109367^2 .

It is a cyclic number.

It is not a de Polignac number, because 23818608353 - 2⁴ = 23818608337 is a prime.

It is a super-2 number, since 2×23818608353² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23818608298 and 23818608307.

It is not an unprimeable number, because it can be changed into a prime (23818608313) 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, 700547288 + ... + 700547321.

It is an arithmetic number, because the mean of its divisors is an integer number (6304925745).

Almost surely, 2^23818608353 is an apocalyptic number.

It is an amenable number.

23818608353 is a deficient number, since it is larger than the sum of its proper divisors (1401094627).

23818608353 is a wasteful number, since it uses less digits than its factorization.

23818608353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401094626.

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 23818608353 in words is "twenty-three billion, eight hundred eighteen million, six hundred eight thousand, three hundred fifty-three".