276344391023 has 2 divisors, whose sum is σ = 276344391024. Its totient is φ = 276344391022.

The previous prime is 276344390981. The next prime is 276344391041. The reversal of 276344391023 is 320193443672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 276344391023 - 2²⁸ = 276075955567 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (276344391073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138172195511 + 138172195512.

It is an arithmetic number, because the mean of its divisors is an integer number (138172195512).

Almost surely, 2^276344391023 is an apocalyptic number.

276344391023 is a deficient number, since it is larger than the sum of its proper divisors (1).

276344391023 is an equidigital number, since it uses as much as digits as its factorization.

276344391023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 44.

The spelling of 276344391023 in words is "two hundred seventy-six billion, three hundred forty-four million, three hundred ninety-one thousand, twenty-three".