323564432421 has 8 divisors (see below), whose sum is σ = 431459564224. Its totient is φ = 215689461120.

The previous prime is 323564432393. The next prime is 323564432473. The reversal of 323564432421 is 124234465323.

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

It is not a de Polignac number, because 323564432421 - 2¹⁴ = 323564416037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 323564432421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323564432491) 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, 5002636 + ... + 5066901.

It is an arithmetic number, because the mean of its divisors is an integer number (53932445528).

Almost surely, 2^323564432421 is an apocalyptic number.

It is an amenable number.

323564432421 is a deficient number, since it is larger than the sum of its proper divisors (107895131803).

323564432421 is a wasteful number, since it uses less digits than its factorization.

323564432421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10080251.

The product of its digits is 414720, while the sum is 39.

Adding to 323564432421 its reverse (124234465323), we get a palindrome (447798897744).

The spelling of 323564432421 in words is "three hundred twenty-three billion, five hundred sixty-four million, four hundred thirty-two thousand, four hundred twenty-one".