323303420661 has 16 divisors (see below), whose sum is σ = 465882634560. Its totient is φ = 198247916160.

The previous prime is 323303420659. The next prime is 323303420681. The reversal of 323303420661 is 166024303323.

It is a happy number.

It is not a de Polignac number, because 323303420661 - 2¹ = 323303420659 is a prime.

It is a super-2 number, since 2×323303420661² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323303420681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14739631 + ... + 14761548.

It is an arithmetic number, because the mean of its divisors is an integer number (29117664660).

Almost surely, 2^323303420661 is an apocalyptic number.

It is an amenable number.

323303420661 is a deficient number, since it is larger than the sum of its proper divisors (142579213899).

323303420661 is a wasteful number, since it uses less digits than its factorization.

323303420661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29501476.

The product of its (nonzero) digits is 46656, while the sum is 33.

Adding to 323303420661 its reverse (166024303323), we get a palindrome (489327723984).

The spelling of 323303420661 in words is "three hundred twenty-three billion, three hundred three million, four hundred twenty thousand, six hundred sixty-one".