23133605 has 16 divisors (see below), whose sum is σ = 30801600. Its totient is φ = 16536960.

The previous prime is 23133589. The next prime is 23133611. The reversal of 23133605 is 50633132.

It is not a de Polignac number, because 23133605 - 2⁴ = 23133589 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320 + ... + 6809.

It is an arithmetic number, because the mean of its divisors is an integer number (1925100).

Almost surely, 2^23133605 is an apocalyptic number.

It is an amenable number.

23133605 is a deficient number, since it is larger than the sum of its proper divisors (7667995).

23133605 is a wasteful number, since it uses less digits than its factorization.

23133605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7204.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 23133605 is about 4809.7406374980. The cubic root of 23133605 is about 284.9362943688.

Adding to 23133605 its reverse (50633132), we get a palindrome (73766737).

The spelling of 23133605 in words is "twenty-three million, one hundred thirty-three thousand, six hundred five".