623616610321 has 8 divisors (see below), whose sum is σ = 659875392000. Its totient is φ = 587701514160.

The previous prime is 623616610301. The next prime is 623616610327. The reversal of 623616610321 is 123016616326.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 623616610321 - 2⁷ = 623616610193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (623616610327) 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, 85917646 + ... + 85924903.

It is an arithmetic number, because the mean of its divisors is an integer number (82484424000).

Almost surely, 2^623616610321 is an apocalyptic number.

It is an amenable number.

623616610321 is a deficient number, since it is larger than the sum of its proper divisors (36258781679).

623616610321 is a wasteful number, since it uses less digits than its factorization.

623616610321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171842759.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 623616610321 in words is "six hundred twenty-three billion, six hundred sixteen million, six hundred ten thousand, three hundred twenty-one".