23971707 has 32 divisors (see below), whose sum is σ = 36644160. Its totient is φ = 15676416.

The previous prime is 23971699. The next prime is 23971709. The reversal of 23971707 is 70717932.

It is not a de Polignac number, because 23971707 - 2³ = 23971699 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23971709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 212083 + ... + 212195.

It is an arithmetic number, because the mean of its divisors is an integer number (1145130).

Almost surely, 2^23971707 is an apocalyptic number.

23971707 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

23971707 is a deficient number, since it is larger than the sum of its proper divisors (12672453).

23971707 is an frugal number, since it uses more digits than its factorization.

23971707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 36.

The square root of 23971707 is about 4896.0909918015. The cubic root of 23971707 is about 288.3365206935.

The spelling of 23971707 in words is "twenty-three million, nine hundred seventy-one thousand, seven hundred seven".