23991214 has 8 divisors (see below), whose sum is σ = 38755080. Its totient is φ = 11072856.

The previous prime is 23991203. The next prime is 23991217. The reversal of 23991214 is 41219932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23991217) 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, 461344 + ... + 461395.

It is an arithmetic number, because the mean of its divisors is an integer number (4844385).

Almost surely, 2^23991214 is an apocalyptic number.

23991214 is a deficient number, since it is larger than the sum of its proper divisors (14763866).

23991214 is a wasteful number, since it uses less digits than its factorization.

23991214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922754.

The product of its digits is 3888, while the sum is 31.

The square root of 23991214 is about 4898.0826861130. The cubic root of 23991214 is about 288.4147108634.

The spelling of 23991214 in words is "twenty-three million, nine hundred ninety-one thousand, two hundred fourteen".