23005535 has 16 divisors (see below), whose sum is σ = 31850496. Its totient is φ = 15625248.

The previous prime is 23005531. The next prime is 23005537. The reversal of 23005535 is 53550032.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23005535 - 2² = 23005531 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 23005535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23005531) 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, 674 + ... + 6816.

It is an arithmetic number, because the mean of its divisors is an integer number (1990656).

Almost surely, 2^23005535 is an apocalyptic number.

23005535 is a deficient number, since it is larger than the sum of its proper divisors (8844961).

23005535 is a wasteful number, since it uses less digits than its factorization.

23005535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6262.

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 23005535 is about 4796.4085522399. The cubic root of 23005535 is about 284.4095089145.

Adding to 23005535 its reverse (53550032), we get a palindrome (76555567).

The spelling of 23005535 in words is "twenty-three million, five thousand, five hundred thirty-five".