323974121 has 4 divisors (see below), whose sum is σ = 324908112. Its totient is φ = 323040132.

The previous prime is 323974103. The next prime is 323974129. The reversal of 323974121 is 121479323.

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: 121479323 = 7 ⋅17354189.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323974121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323974129) 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, 466475 + ... + 467168.

It is an arithmetic number, because the mean of its divisors is an integer number (81227028).

Almost surely, 2^323974121 is an apocalyptic number.

It is an amenable number.

323974121 is a deficient number, since it is larger than the sum of its proper divisors (933991).

323974121 is an equidigital number, since it uses as much as digits as its factorization.

323974121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933990.

The product of its digits is 9072, while the sum is 32.

The square root of 323974121 is about 17999.2811245338. The cubic root of 323974121 is about 686.8102585884.

The spelling of 323974121 in words is "three hundred twenty-three million, nine hundred seventy-four thousand, one hundred twenty-one".