276464423 has 2 divisors, whose sum is σ = 276464424. Its totient is φ = 276464422.

The previous prime is 276464413. The next prime is 276464431. The reversal of 276464423 is 324464672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 276464423 - 2¹⁰ = 276463399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (276464413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138232211 + 138232212.

It is an arithmetic number, because the mean of its divisors is an integer number (138232212).

Almost surely, 2^276464423 is an apocalyptic number.

276464423 is a deficient number, since it is larger than the sum of its proper divisors (1).

276464423 is an equidigital number, since it uses as much as digits as its factorization.

276464423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 38.

The square root of 276464423 is about 16627.2193405873. The cubic root of 276464423 is about 651.4479932382.

The spelling of 276464423 in words is "two hundred seventy-six million, four hundred sixty-four thousand, four hundred twenty-three".