814237223 has 4 divisors (see below), whose sum is σ = 817481448. Its totient is φ = 810993000.

The previous prime is 814237199. The next prime is 814237243. The reversal of 814237223 is 322732418.

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

It is a cyclic number.

It is not a de Polignac number, because 814237223 - 2¹² = 814233127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 814237223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814237243) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1621736 + ... + 1622237.

It is an arithmetic number, because the mean of its divisors is an integer number (204370362).

Almost surely, 2^814237223 is an apocalyptic number.

814237223 is a deficient number, since it is larger than the sum of its proper divisors (3244225).

814237223 is a wasteful number, since it uses less digits than its factorization.

814237223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3244224.

The product of its digits is 16128, while the sum is 32.

The square root of 814237223 is about 28534.8422634505. The cubic root of 814237223 is about 933.7923623709.

The spelling of 814237223 in words is "eight hundred fourteen million, two hundred thirty-seven thousand, two hundred twenty-three".