23135109 has 4 divisors (see below), whose sum is σ = 30846816. Its totient is φ = 15423404.

The previous prime is 23135107. The next prime is 23135129. The reversal of 23135109 is 90153132.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23135109 - 2¹ = 23135107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23135107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3855849 + ... + 3855854.

It is an arithmetic number, because the mean of its divisors is an integer number (7711704).

Almost surely, 2^23135109 is an apocalyptic number.

It is an amenable number.

23135109 is a deficient number, since it is larger than the sum of its proper divisors (7711707).

23135109 is an equidigital number, since it uses as much as digits as its factorization.

23135109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7711706.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 23135109 is about 4809.8969843438. The cubic root of 23135109 is about 284.9424691508.

The spelling of 23135109 in words is "twenty-three million, one hundred thirty-five thousand, one hundred nine".