23906971 has 4 divisors (see below), whose sum is σ = 26080344. Its totient is φ = 21733600.

The previous prime is 23906969. The next prime is 23907001. The reversal of 23906971 is 17960932.

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

It is a cyclic number.

It is not a de Polignac number, because 23906971 - 2¹ = 23906969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23906971.

It is not an unprimeable number, because it can be changed into a prime (23906951) 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, 1086670 + ... + 1086691.

It is an arithmetic number, because the mean of its divisors is an integer number (6520086).

Almost surely, 2^23906971 is an apocalyptic number.

23906971 is a deficient number, since it is larger than the sum of its proper divisors (2173373).

23906971 is a wasteful number, since it uses less digits than its factorization.

23906971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173372.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 23906971 is about 4889.4755342470. The cubic root of 23906971 is about 288.0767341508.

The spelling of 23906971 in words is "twenty-three million, nine hundred six thousand, nine hundred seventy-one".