623118600001 has 4 divisors (see below), whose sum is σ = 634875554772. Its totient is φ = 611361645232.

The previous prime is 623118599959. The next prime is 623118600007. The reversal of 623118600001 is 100006811326.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100006811326 = 2 ⋅50003405663.

It can be written as a sum of positive squares in 2 ways, for example, as 300720624400 + 322397975601 = 548380^2 + 567801^2 .

It is a cyclic number.

It is not a de Polignac number, because 623118600001 - 2¹¹ = 623118597953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (623118600007) 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, 5878477306 + ... + 5878477411.

It is an arithmetic number, because the mean of its divisors is an integer number (158718888693).

Almost surely, 2^623118600001 is an apocalyptic number.

It is an amenable number.

623118600001 is a deficient number, since it is larger than the sum of its proper divisors (11756954771).

623118600001 is a wasteful number, since it uses less digits than its factorization.

623118600001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11756954770.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 623118600001 in words is "six hundred twenty-three billion, one hundred eighteen million, six hundred thousand, one".