23115071 has 4 divisors (see below), whose sum is σ = 26417232. Its totient is φ = 19812912.

The previous prime is 23115041. The next prime is 23115097. The reversal of 23115071 is 17051132.

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

It is a de Polignac number, because none of the positive numbers 2^k-23115071 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 (23115041) 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, 1651070 + ... + 1651083.

It is an arithmetic number, because the mean of its divisors is an integer number (6604308).

Almost surely, 2^23115071 is an apocalyptic number.

23115071 is a deficient number, since it is larger than the sum of its proper divisors (3302161).

23115071 is an equidigital number, since it uses as much as digits as its factorization.

23115071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3302160.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 23115071 is about 4807.8135363177. The cubic root of 23115071 is about 284.8601796972.

The spelling of 23115071 in words is "twenty-three million, one hundred fifteen thousand, seventy-one".