23261705 has 8 divisors (see below), whose sum is σ = 27964104. Its totient is φ = 18576000.

The previous prime is 23261657. The next prime is 23261723. The reversal of 23261705 is 50716232.

It can be written as a sum of positive squares in 4 ways, for example, as 2758921 + 20502784 = 1661^2 + 4528^2 .

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

It is not a de Polignac number, because 23261705 - 2⁸ = 23261449 is a prime.

It is a super-2 number, since 2×23261705² = 1082213839014050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 866 + ... + 6875.

It is an arithmetic number, because the mean of its divisors is an integer number (3495513).

Almost surely, 2^23261705 is an apocalyptic number.

It is an amenable number.

23261705 is a deficient number, since it is larger than the sum of its proper divisors (4702399).

23261705 is an equidigital number, since it uses as much as digits as its factorization.

23261705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8347.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 23261705 is about 4823.0389797305. The cubic root of 23261705 is about 285.4612618853.

Adding to 23261705 its reverse (50716232), we get a palindrome (73977937).

The spelling of 23261705 in words is "twenty-three million, two hundred sixty-one thousand, seven hundred five".