23961207 has 4 divisors (see below), whose sum is σ = 31948280. Its totient is φ = 15974136.

The previous prime is 23961181. The next prime is 23961209. The reversal of 23961207 is 70216932.

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

It is not a de Polignac number, because 23961207 - 2¹² = 23957111 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 (23961209) 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 3 ways as a sum of consecutive naturals, for example, 3993532 + ... + 3993537.

It is an arithmetic number, because the mean of its divisors is an integer number (7987070).

Almost surely, 2^23961207 is an apocalyptic number.

23961207 is a deficient number, since it is larger than the sum of its proper divisors (7987073).

23961207 is an equidigital number, since it uses as much as digits as its factorization.

23961207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7987072.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 23961207 is about 4895.0185903631. The cubic root of 23961207 is about 288.2944158403.

The spelling of 23961207 in words is "twenty-three million, nine hundred sixty-one thousand, two hundred seven".