321461677320623 has 4 divisors (see below), whose sum is σ = 367384774080720. Its totient is φ = 275538580560528.

The previous prime is 321461677320593. The next prime is 321461677320653. The reversal of 321461677320623 is 326023776164123.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (321461677320593) and next prime (321461677320653).

It is a cyclic number.

It is not a de Polignac number, because 321461677320623 - 2²⁰ = 321461676272047 is a prime.

It is a super-3 number, since 3×321461677320623³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321461677320653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22961548380038 + ... + 22961548380051.

It is an arithmetic number, because the mean of its divisors is an integer number (91846193520180).

Almost surely, 2^{321461677320623} is an apocalyptic number.

321461677320623 is a deficient number, since it is larger than the sum of its proper divisors (45923096760097).

321461677320623 is an equidigital number, since it uses as much as digits as its factorization.

321461677320623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45923096760096.

The product of its (nonzero) digits is 9144576, while the sum is 53.

The spelling of 321461677320623 in words is "three hundred twenty-one trillion, four hundred sixty-one billion, six hundred seventy-seven million, three hundred twenty thousand, six hundred twenty-three".