23688539153 has 4 divisors (see below), whose sum is σ = 23690930100. Its totient is φ = 23686148208.

The previous prime is 23688539141. The next prime is 23688539179. The reversal of 23688539153 is 35193588632.

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 12622971904 + 11065567249 = 112352^2 + 105193^2 .

It is a cyclic number.

It is not a de Polignac number, because 23688539153 - 2⁶ = 23688539089 is a prime.

It is a super-2 number, since 2×23688539153² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23688539095 and 23688539104.

It is not an unprimeable number, because it can be changed into a prime (23688539453) 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, 1180550 + ... + 1200447.

It is an arithmetic number, because the mean of its divisors is an integer number (5922732525).

Almost surely, 2^23688539153 is an apocalyptic number.

It is an amenable number.

23688539153 is a deficient number, since it is larger than the sum of its proper divisors (2390947).

23688539153 is an equidigital number, since it uses as much as digits as its factorization.

23688539153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2390946.

The product of its digits is 4665600, while the sum is 53.

The spelling of 23688539153 in words is "twenty-three billion, six hundred eighty-eight million, five hundred thirty-nine thousand, one hundred fifty-three".