23072707 has 16 divisors (see below), whose sum is σ = 27900160. Its totient is φ = 18639072.

The previous prime is 23072681. The next prime is 23072713. The reversal of 23072707 is 70727032.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23072707 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23072737) 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, 37333 + ... + 37945.

It is an arithmetic number, because the mean of its divisors is an integer number (1743760).

Almost surely, 2^23072707 is an apocalyptic number.

23072707 is a deficient number, since it is larger than the sum of its proper divisors (4827453).

23072707 is a wasteful number, since it uses less digits than its factorization.

23072707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922.

The product of its (nonzero) digits is 4116, while the sum is 28.

The square root of 23072707 is about 4803.4057709088. The cubic root of 23072707 is about 284.6860480442.

Adding to 23072707 its reverse (70727032), we get a palindrome (93799739).

The spelling of 23072707 in words is "twenty-three million, seventy-two thousand, seven hundred seven".