623330405255321 has 8 divisors (see below), whose sum is σ = 643728591408384. Its totient is φ = 602950391210160.

The previous prime is 623330405255317. The next prime is 623330405255339. The reversal of 623330405255321 is 123552504033326.

It is a happy number.

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 623330405255321 - 2² = 623330405255317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (623330405255381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4542957251 + ... + 4543094456.

It is an arithmetic number, because the mean of its divisors is an integer number (80466073926048).

Almost surely, 2^{623330405255321} is an apocalyptic number.

It is an amenable number.

623330405255321 is a deficient number, since it is larger than the sum of its proper divisors (20398186153063).

623330405255321 is a wasteful number, since it uses less digits than its factorization.

623330405255321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9086053951.

The product of its (nonzero) digits is 1944000, while the sum is 44.

Adding to 623330405255321 its reverse (123552504033326), we get a palindrome (746882909288647).

The spelling of 623330405255321 in words is "six hundred twenty-three trillion, three hundred thirty billion, four hundred five million, two hundred fifty-five thousand, three hundred twenty-one".