23007727 has 4 divisors (see below), whose sum is σ = 24218680. Its totient is φ = 21796776.

The previous prime is 23007713. The next prime is 23007731. The reversal of 23007727 is 72770032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23007727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23007695 and 23007704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23007707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605448 + ... + 605485.

It is an arithmetic number, because the mean of its divisors is an integer number (6054670).

Almost surely, 2^23007727 is an apocalyptic number.

23007727 is a deficient number, since it is larger than the sum of its proper divisors (1210953).

23007727 is a wasteful number, since it uses less digits than its factorization.

23007727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210952.

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

The square root of 23007727 is about 4796.6370511015. The cubic root of 23007727 is about 284.4185416080.

Adding to 23007727 its reverse (72770032), we get a palindrome (95777759).

The spelling of 23007727 in words is "twenty-three million, seven thousand, seven hundred twenty-seven".