323978341 has 4 divisors (see below), whose sum is σ = 325020384. Its totient is φ = 322936300.

The previous prime is 323978309. The next prime is 323978357. The reversal of 323978341 is 143879323.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 143879323 = 7 ⋅20554189.

It is a cyclic number.

It is not a de Polignac number, because 323978341 - 2⁵ = 323978309 is a prime.

It is a super-2 number, since 2×323978341² = 209923930874224562, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323978294 and 323978303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323978371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520555 + ... + 521176.

It is an arithmetic number, because the mean of its divisors is an integer number (81255096).

Almost surely, 2^323978341 is an apocalyptic number.

It is an amenable number.

323978341 is a deficient number, since it is larger than the sum of its proper divisors (1042043).

323978341 is a wasteful number, since it uses less digits than its factorization.

323978341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042042.

The product of its digits is 108864, while the sum is 40.

The square root of 323978341 is about 17999.3983510561. The cubic root of 323978341 is about 686.8132406442.

The spelling of 323978341 in words is "three hundred twenty-three million, nine hundred seventy-eight thousand, three hundred forty-one".