323542020661 has 8 divisors (see below), whose sum is σ = 328390381760. Its totient is φ = 318694229568.

The previous prime is 323542020589. The next prime is 323542020713. The reversal of 323542020661 is 166020245323.

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 323542020661 - 2¹⁵ = 323541987893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323542020761) 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, 1079080 + ... + 1345918.

It is an arithmetic number, because the mean of its divisors is an integer number (41048797720).

Almost surely, 2^323542020661 is an apocalyptic number.

It is an amenable number.

323542020661 is a deficient number, since it is larger than the sum of its proper divisors (4848361099).

323542020661 is a wasteful number, since it uses less digits than its factorization.

323542020661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285003.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 323542020661 its reverse (166020245323), we get a palindrome (489562265984).

The spelling of 323542020661 in words is "three hundred twenty-three billion, five hundred forty-two million, twenty thousand, six hundred sixty-one".