268436583623 has 16 divisors (see below), whose sum is σ = 298458488832. Its totient is φ = 239756220000.

The previous prime is 268436583589. The next prime is 268436583643. The reversal of 268436583623 is 326385634862.

It is a cyclic number.

It is not a de Polignac number, because 268436583623 - 2¹⁰ = 268436582599 is a prime.

It is a super-2 number, since 2×268436583623² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268436583643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2646698 + ... + 2746248.

It is an arithmetic number, because the mean of its divisors is an integer number (18653655552).

Almost surely, 2^268436583623 is an apocalyptic number.

268436583623 is a deficient number, since it is larger than the sum of its proper divisors (30021905209).

268436583623 is a wasteful number, since it uses less digits than its factorization.

268436583623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106286.

The product of its digits is 29859840, while the sum is 56.

The spelling of 268436583623 in words is "two hundred sixty-eight billion, four hundred thirty-six million, five hundred eighty-three thousand, six hundred twenty-three".