268181207423 has 4 divisors (see below), whose sum is σ = 268189524408. Its totient is φ = 268172890440.

The previous prime is 268181207351. The next prime is 268181207461. The reversal of 268181207423 is 324702181862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 268181207423 - 2¹⁴ = 268181191039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268181200423) 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, 4109936 + ... + 4174677.

It is an arithmetic number, because the mean of its divisors is an integer number (67047381102).

Almost surely, 2^268181207423 is an apocalyptic number.

268181207423 is a deficient number, since it is larger than the sum of its proper divisors (8316985).

268181207423 is an equidigital number, since it uses as much as digits as its factorization.

268181207423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8316984.

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 268181207423 in words is "two hundred sixty-eight billion, one hundred eighty-one million, two hundred seven thousand, four hundred twenty-three".