323120421652 has 12 divisors (see below), whose sum is σ = 646240843360. Its totient is φ = 138480180696.

The previous prime is 323120421643. The next prime is 323120421661. The reversal of 323120421652 is 256124021323.

It is an interprime number because it is at equal distance from previous prime (323120421643) and next prime (323120421661).

323120421652 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5770007502 + ... + 5770007557.

Almost surely, 2^323120421652 is an apocalyptic number.

It is an amenable number.

323120421652 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

323120421652 is a wasteful number, since it uses less digits than its factorization.

323120421652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11540015070 (or 11540015068 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 323120421652 its reverse (256124021323), we get a palindrome (579244442975).

The spelling of 323120421652 in words is "three hundred twenty-three billion, one hundred twenty million, four hundred twenty-one thousand, six hundred fifty-two".