323640380867 has 8 divisors (see below), whose sum is σ = 326988395520. Its totient is φ = 320308982280.

The previous prime is 323640380809. The next prime is 323640380879. The reversal of 323640380867 is 768083046323.

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

It is a cyclic number.

It is not a de Polignac number, because 323640380867 - 2⁸ = 323640380611 is a prime.

It is a super-2 number, since 2×323640380867² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323640380467) 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, 4114859 + ... + 4192772.

It is an arithmetic number, because the mean of its divisors is an integer number (40873549440).

Almost surely, 2^323640380867 is an apocalyptic number.

323640380867 is a deficient number, since it is larger than the sum of its proper divisors (3348014653).

323640380867 is a wasteful number, since it uses less digits than its factorization.

323640380867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8308033.

The product of its (nonzero) digits is 3483648, while the sum is 50.

The spelling of 323640380867 in words is "three hundred twenty-three billion, six hundred forty million, three hundred eighty thousand, eight hundred sixty-seven".