23565134 has 4 divisors (see below), whose sum is σ = 35347704. Its totient is φ = 11782566.

The previous prime is 23565121. The next prime is 23565137. The reversal of 23565134 is 43156532.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23565097 and 23565106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23565137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5891282 + ... + 5891285.

It is an arithmetic number, because the mean of its divisors is an integer number (8836926).

Almost surely, 2^23565134 is an apocalyptic number.

23565134 is a deficient number, since it is larger than the sum of its proper divisors (11782570).

23565134 is a wasteful number, since it uses less digits than its factorization.

23565134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11782569.

The product of its digits is 10800, while the sum is 29.

The square root of 23565134 is about 4854.3932679584. The cubic root of 23565134 is about 286.6971030120.

The spelling of 23565134 in words is "twenty-three million, five hundred sixty-five thousand, one hundred thirty-four".