21023923314 has 8 divisors (see below), whose sum is σ = 42047846640. Its totient is φ = 7007974436.

The previous prime is 21023923267. The next prime is 21023923337. The reversal of 21023923314 is 41332932012.

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

21023923314 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1751993604 + ... + 1751993615.

It is an arithmetic number, because the mean of its divisors is an integer number (5255980830).

Almost surely, 2^21023923314 is an apocalyptic number.

21023923314 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21023923314 is a wasteful number, since it uses less digits than its factorization.

21023923314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3503987224.

The product of its (nonzero) digits is 7776, while the sum is 30.

The spelling of 21023923314 in words is "twenty-one billion, twenty-three million, nine hundred twenty-three thousand, three hundred fourteen".