23045135 has 4 divisors (see below), whose sum is σ = 27654168. Its totient is φ = 18436104.

The previous prime is 23045131. The next prime is 23045137. The reversal of 23045135 is 53154032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23045135 - 2² = 23045131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23045135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23045131) 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, 2304509 + ... + 2304518.

It is an arithmetic number, because the mean of its divisors is an integer number (6913542).

Almost surely, 2^23045135 is an apocalyptic number.

23045135 is a deficient number, since it is larger than the sum of its proper divisors (4609033).

23045135 is an equidigital number, since it uses as much as digits as its factorization.

23045135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4609032.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 23045135 is about 4800.5348660332. The cubic root of 23045135 is about 284.5726024268.

Adding to 23045135 its reverse (53154032), we get a palindrome (76199167).

The spelling of 23045135 in words is "twenty-three million, forty-five thousand, one hundred thirty-five".