265627676423 has 4 divisors (see below), whose sum is σ = 266430177288. Its totient is φ = 264825175560.

The previous prime is 265627676381. The next prime is 265627676459. The reversal of 265627676423 is 324676726562.

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 265627676423 - 2¹⁰ = 265627675399 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 (265627678423) 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, 401249936 + ... + 401250597.

It is an arithmetic number, because the mean of its divisors is an integer number (66607544322).

Almost surely, 2^265627676423 is an apocalyptic number.

265627676423 is a deficient number, since it is larger than the sum of its proper divisors (802500865).

265627676423 is an equidigital number, since it uses as much as digits as its factorization.

265627676423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802500864.

The product of its digits is 30481920, while the sum is 56.

The spelling of 265627676423 in words is "two hundred sixty-five billion, six hundred twenty-seven million, six hundred seventy-six thousand, four hundred twenty-three".