623440500326643 has 8 divisors (see below), whose sum is σ = 837599450821056. Its totient is φ = 412454275025000.

The previous prime is 623440500326549. The next prime is 623440500326653. The reversal of 623440500326643 is 346623005044326.

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 623440500326643 - 2¹⁴ = 623440500310259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 623440500326592 and 623440500326601.

It is not an unprimeable number, because it can be changed into a prime (623440500326653) 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, 793181297733 + ... + 793181298518.

It is an arithmetic number, because the mean of its divisors is an integer number (104699931352632).

Almost surely, 2^{623440500326643} is an apocalyptic number.

623440500326643 is a deficient number, since it is larger than the sum of its proper divisors (214158950494413).

623440500326643 is a wasteful number, since it uses less digits than its factorization.

623440500326643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586362596385.

The product of its (nonzero) digits is 7464960, while the sum is 48.

The spelling of 623440500326643 in words is "six hundred twenty-three trillion, four hundred forty billion, five hundred million, three hundred twenty-six thousand, six hundred forty-three".