268396803123 has 16 divisors (see below), whose sum is σ = 359831957376. Its totient is φ = 177947020800.

The previous prime is 268396803119. The next prime is 268396803137. The reversal of 268396803123 is 321308693862.

It is not a de Polignac number, because 268396803123 - 2² = 268396803119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (268396803023) 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, 1772548 + ... + 1917998.

It is an arithmetic number, because the mean of its divisors is an integer number (22489497336).

Almost surely, 2^268396803123 is an apocalyptic number.

268396803123 is a deficient number, since it is larger than the sum of its proper divisors (91435154253).

268396803123 is a wasteful number, since it uses less digits than its factorization.

268396803123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148834.

The product of its (nonzero) digits is 2239488, while the sum is 51.

The spelling of 268396803123 in words is "two hundred sixty-eight billion, three hundred ninety-six million, eight hundred three thousand, one hundred twenty-three".