23500135 has 16 divisors (see below), whose sum is σ = 29615040. Its totient is φ = 17867520.

The previous prime is 23500133. The next prime is 23500157. The reversal of 23500135 is 53100532.

It is not a de Polignac number, because 23500135 - 2¹ = 23500133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23500133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20251 + ... + 21379.

It is an arithmetic number, because the mean of its divisors is an integer number (1850940).

Almost surely, 2^23500135 is an apocalyptic number.

23500135 is a deficient number, since it is larger than the sum of its proper divisors (6114905).

23500135 is a wasteful number, since it uses less digits than its factorization.

23500135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 23500135 is about 4847.6937815832. The cubic root of 23500135 is about 286.4332642863.

Adding to 23500135 its reverse (53100532), we get a palindrome (76600667).

The spelling of 23500135 in words is "twenty-three million, five hundred thousand, one hundred thirty-five".