13530023235 has 24 divisors (see below), whose sum is σ = 23538600384. Its totient is φ = 7189378560.

The previous prime is 13530023231. The next prime is 13530023249. The reversal of 13530023235 is 53232003531.

13530023235 is a `hidden beast` number, since 1 + 35 + 300 + 2 + 323 + 5 = 666.

13530023235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13530023235 - 2² = 13530023231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13530023199 and 13530023208.

It is not an unprimeable number, because it can be changed into a prime (13530023231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 542542 + ... + 566931.

It is an arithmetic number, because the mean of its divisors is an integer number (980775016).

Almost surely, 2^13530023235 is an apocalyptic number.

13530023235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13530023235 is a deficient number, since it is larger than the sum of its proper divisors (10008577149).

13530023235 is a wasteful number, since it uses less digits than its factorization.

13530023235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109755 (or 1109752 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

Adding to 13530023235 its reverse (53232003531), we get a palindrome (66762026766).

The spelling of 13530023235 in words is "thirteen billion, five hundred thirty million, twenty-three thousand, two hundred thirty-five".