23070705 has 16 divisors (see below), whose sum is σ = 42186624. Its totient is φ = 10546560.

The previous prime is 23070703. The next prime is 23070709. The reversal of 23070705 is 50707032.

It is not a de Polignac number, because 23070705 - 2¹ = 23070703 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23070703) 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 15 ways as a sum of consecutive naturals, for example, 109756 + ... + 109965.

It is an arithmetic number, because the mean of its divisors is an integer number (2636664).

Almost surely, 2^23070705 is an apocalyptic number.

It is an amenable number.

23070705 is a deficient number, since it is larger than the sum of its proper divisors (19115919).

23070705 is a wasteful number, since it uses less digits than its factorization.

23070705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219736.

The product of its (nonzero) digits is 1470, while the sum is 24.

The square root of 23070705 is about 4803.1973725842. The cubic root of 23070705 is about 284.6778138138.

Adding to 23070705 its reverse (50707032), we get a palindrome (73777737).

The spelling of 23070705 in words is "twenty-three million, seventy thousand, seven hundred five".