23921214 has 16 divisors (see below), whose sum is σ = 48860928. Its totient is φ = 7803992.

The previous prime is 23921213. The next prime is 23921221. The reversal of 23921214 is 41212932.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23921213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42132 + ... + 42695.

It is an arithmetic number, because the mean of its divisors is an integer number (3053808).

Almost surely, 2^23921214 is an apocalyptic number.

23921214 is an abundant number, since it is smaller than the sum of its proper divisors (24939714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23921214 is a wasteful number, since it uses less digits than its factorization.

23921214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84879.

The product of its digits is 864, while the sum is 24.

The square root of 23921214 is about 4890.9318130598. The cubic root of 23921214 is about 288.1339317267.

The spelling of 23921214 in words is "twenty-three million, nine hundred twenty-one thousand, two hundred fourteen".