23138265 has 8 divisors (see below), whose sum is σ = 37021248. Its totient is φ = 12340400.

The previous prime is 23138237. The next prime is 23138273. The reversal of 23138265 is 56283132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23138265 - 2⁸ = 23138009 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 771261 + ... + 771290.

It is an arithmetic number, because the mean of its divisors is an integer number (4627656).

Almost surely, 2^23138265 is an apocalyptic number.

It is an amenable number.

23138265 is a deficient number, since it is larger than the sum of its proper divisors (13882983).

23138265 is a wasteful number, since it uses less digits than its factorization.

23138265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542559.

The product of its digits is 8640, while the sum is 30.

The square root of 23138265 is about 4810.2250467104. The cubic root of 23138265 is about 284.9554254696.

The spelling of 23138265 in words is "twenty-three million, one hundred thirty-eight thousand, two hundred sixty-five".