23820071 has 4 divisors (see below), whose sum is σ = 25985544. Its totient is φ = 21654600.

The previous prime is 23820037. The next prime is 23820079. The reversal of 23820071 is 17002832.

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

It is not a de Polignac number, because 23820071 - 2⁶ = 23820007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23820079) 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, 1082720 + ... + 1082741.

It is an arithmetic number, because the mean of its divisors is an integer number (6496386).

Almost surely, 2^23820071 is an apocalyptic number.

23820071 is a deficient number, since it is larger than the sum of its proper divisors (2165473).

23820071 is a wasteful number, since it uses less digits than its factorization.

23820071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165472.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 23820071 is about 4880.5810104945. The cubic root of 23820071 is about 287.7272647894.

The spelling of 23820071 in words is "twenty-three million, eight hundred twenty thousand, seventy-one".