276120323 has 2 divisors, whose sum is σ = 276120324. Its totient is φ = 276120322.

The previous prime is 276120319. The next prime is 276120353. The reversal of 276120323 is 323021672.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 276120323 - 2² = 276120319 is a prime.

It is equal to p_15026471 and since 276120323 and 15026471 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 276120292 and 276120301.

It is not a weakly prime, because it can be changed into another prime (276120353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138060161 + 138060162.

It is an arithmetic number, because the mean of its divisors is an integer number (138060162).

Almost surely, 2^276120323 is an apocalyptic number.

276120323 is a deficient number, since it is larger than the sum of its proper divisors (1).

276120323 is an equidigital number, since it uses as much as digits as its factorization.

276120323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 276120323 is about 16616.8686279937. The cubic root of 276120323 is about 651.1776072483.

Adding to 276120323 its reverse (323021672), we get a palindrome (599141995).

The spelling of 276120323 in words is "two hundred seventy-six million, one hundred twenty thousand, three hundred twenty-three".