23145235134235 has 16 divisors (see below), whose sum is σ = 27790611289056. Its totient is φ = 18505305116928.

The previous prime is 23145235134209. The next prime is 23145235134317. The reversal of 23145235134235 is 53243153254132.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23145235134235 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23145235134191 and 23145235134200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60763084 + ... + 61142806.

It is an arithmetic number, because the mean of its divisors is an integer number (1736913205566).

Almost surely, 2^{23145235134235} is an apocalyptic number.

23145235134235 is a deficient number, since it is larger than the sum of its proper divisors (4645376154821).

23145235134235 is a wasteful number, since it uses less digits than its factorization.

23145235134235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386862.

The product of its digits is 1296000, while the sum is 43.

Adding to 23145235134235 its reverse (53243153254132), we get a palindrome (76388388388367).

The spelling of 23145235134235 in words is "twenty-three trillion, one hundred forty-five billion, two hundred thirty-five million, one hundred thirty-four thousand, two hundred thirty-five".