23921206 has 4 divisors (see below), whose sum is σ = 35881812. Its totient is φ = 11960602.

The previous prime is 23921197. The next prime is 23921213. The reversal of 23921206 is 60212932.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5980300 + ... + 5980303.

It is an arithmetic number, because the mean of its divisors is an integer number (8970453).

Almost surely, 2^23921206 is an apocalyptic number.

23921206 is a deficient number, since it is larger than the sum of its proper divisors (11960606).

23921206 is a wasteful number, since it uses less digits than its factorization.

23921206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11960605.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 23921206 is about 4890.9309952196. The cubic root of 23921206 is about 288.1338996064.

The spelling of 23921206 in words is "twenty-three million, nine hundred twenty-one thousand, two hundred six".