23003535 has 16 divisors (see below), whose sum is σ = 36948960. Its totient is φ = 12220800.

The previous prime is 23003531. The next prime is 23003549. The reversal of 23003535 is 53530032.

It is not a de Polignac number, because 23003535 - 2² = 23003531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23003531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1185 + ... + 6885.

It is an arithmetic number, because the mean of its divisors is an integer number (2309310).

Almost surely, 2^23003535 is an apocalyptic number.

23003535 is a deficient number, since it is larger than the sum of its proper divisors (13945425).

23003535 is a wasteful number, since it uses less digits than its factorization.

23003535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5978.

The product of its (nonzero) digits is 1350, while the sum is 21.

The square root of 23003535 is about 4796.2000583796. The cubic root of 23003535 is about 284.4012669051.

Adding to 23003535 its reverse (53530032), we get a palindrome (76533567).

The spelling of 23003535 in words is "twenty-three million, three thousand, five hundred thirty-five".