323387687 has 12 divisors (see below), whose sum is σ = 371650320. Its totient is φ = 275649408.

The previous prime is 323387633. The next prime is 323387699. The reversal of 323387687 is 786783323.

It is a happy number.

It is not a de Polignac number, because 323387687 - 2¹⁰ = 323386663 is a prime.

It is a super-2 number, since 2×323387687² = 209159192206419938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323387587) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 347639 + ... + 348567.

It is an arithmetic number, because the mean of its divisors is an integer number (30970860).

Almost surely, 2^323387687 is an apocalyptic number.

323387687 is a deficient number, since it is larger than the sum of its proper divisors (48262633).

323387687 is an frugal number, since it uses more digits than its factorization.

323387687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382 (or 1159 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 47.

The square root of 323387687 is about 17982.9832619618. The cubic root of 323387687 is about 686.3956039122.

The spelling of 323387687 in words is "three hundred twenty-three million, three hundred eighty-seven thousand, six hundred eighty-seven".