23261713 has 4 divisors (see below), whose sum is σ = 23271460. Its totient is φ = 23251968.

The previous prime is 23261657. The next prime is 23261723. The reversal of 23261713 is 31716232.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 13483584 + 9778129 = 3672^2 + 3127^2 .

It is a 3-Lehmer number, since φ(23261713) divides (23261713-1)³.

It is a cyclic number.

It is not a de Polignac number, because 23261713 - 2⁹ = 23261201 is a prime.

It is a super-2 number, since 2×23261713² = 1082214583388738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23261723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1393 + ... + 6961.

It is an arithmetic number, because the mean of its divisors is an integer number (5817865).

It is a Poulet number, since it divides 2^23261712-1.

Almost surely, 2^23261713 is an apocalyptic number.

It is an amenable number.

23261713 is a deficient number, since it is larger than the sum of its proper divisors (9747).

23261713 is an equidigital number, since it uses as much as digits as its factorization.

23261713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9746.

The product of its digits is 1512, while the sum is 25.

The square root of 23261713 is about 4823.0398090831. The cubic root of 23261713 is about 285.4612946099.

Adding to 23261713 its reverse (31716232), we get a palindrome (54977945).

The spelling of 23261713 in words is "twenty-three million, two hundred sixty-one thousand, seven hundred thirteen".