23126305 has 8 divisors (see below), whose sum is σ = 27781992. Its totient is φ = 18480768.

The previous prime is 23126297. The next prime is 23126309. The reversal of 23126305 is 50362132.

It can be written as a sum of positive squares in 4 ways, for example, as 913936 + 22212369 = 956^2 + 4713^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 23126305 - 2³ = 23126297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23126309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4027 + ... + 7903.

It is an arithmetic number, because the mean of its divisors is an integer number (3472749).

Almost surely, 2^23126305 is an apocalyptic number.

It is an amenable number.

23126305 is a deficient number, since it is larger than the sum of its proper divisors (4655687).

23126305 is a wasteful number, since it uses less digits than its factorization.

23126305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5075.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 23126305 is about 4808.9817009425. The cubic root of 23126305 is about 284.9063198825.

Adding to 23126305 its reverse (50362132), we get a palindrome (73488437).

The spelling of 23126305 in words is "twenty-three million, one hundred twenty-six thousand, three hundred five".