23853538535 has 8 divisors (see below), whose sum is σ = 29547609216. Its totient is φ = 18467255520.

The previous prime is 23853538531. The next prime is 23853538589. The reversal of 23853538535 is 53583535832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23853538535 - 2² = 23853538531 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23853538531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76946744 + ... + 76947053.

It is an arithmetic number, because the mean of its divisors is an integer number (3693451152).

Almost surely, 2^23853538535 is an apocalyptic number.

23853538535 is a deficient number, since it is larger than the sum of its proper divisors (5694070681).

23853538535 is a wasteful number, since it uses less digits than its factorization.

23853538535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153893833.

The product of its digits is 6480000, while the sum is 50.

The spelling of 23853538535 in words is "twenty-three billion, eight hundred fifty-three million, five hundred thirty-eight thousand, five hundred thirty-five".