323420401 has 4 divisors (see below), whose sum is σ = 323569152. Its totient is φ = 323271652.

The previous prime is 323420399. The next prime is 323420429. The reversal of 323420401 is 104024323.

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: 104024323 = 13 ⋅8001871.

It is a cyclic number.

It is not a de Polignac number, because 323420401 - 2¹ = 323420399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323420101) 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, 71065 + ... + 75478.

It is an arithmetic number, because the mean of its divisors is an integer number (80892288).

Almost surely, 2^323420401 is an apocalyptic number.

It is an amenable number.

323420401 is a deficient number, since it is larger than the sum of its proper divisors (148751).

323420401 is a wasteful number, since it uses less digits than its factorization.

323420401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148750.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 323420401 is about 17983.8928210774. The cubic root of 323420401 is about 686.4187484634.

Adding to 323420401 its reverse (104024323), we get a palindrome (427444724).

The spelling of 323420401 in words is "three hundred twenty-three million, four hundred twenty thousand, four hundred one".