314223309 has 24 divisors (see below), whose sum is σ = 479344320. Its totient is φ = 197949312.

The previous prime is 314223293. The next prime is 314223313. The reversal of 314223309 is 903322413.

It is a happy number.

It is not a de Polignac number, because 314223309 - 2⁴ = 314223293 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314223319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8037 + ... + 26325.

It is an arithmetic number, because the mean of its divisors is an integer number (19972680).

Almost surely, 2^314223309 is an apocalyptic number.

It is an amenable number.

314223309 is a deficient number, since it is larger than the sum of its proper divisors (165121011).

314223309 is a wasteful number, since it uses less digits than its factorization.

314223309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18401 (or 18398 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 314223309 is about 17726.3450547483. The cubic root of 314223309 is about 679.8495262493.

The spelling of 314223309 in words is "three hundred fourteen million, two hundred twenty-three thousand, three hundred nine".