2772653123 has 2 divisors, whose sum is σ = 2772653124. Its totient is φ = 2772653122.

The previous prime is 2772653119. The next prime is 2772653159. The reversal of 2772653123 is 3213562772.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2772653123 - 2² = 2772653119 is a prime.

It is not a weakly prime, because it can be changed into another prime (2772653173) 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, 1386326561 + 1386326562.

It is an arithmetic number, because the mean of its divisors is an integer number (1386326562).

Almost surely, 2^2772653123 is an apocalyptic number.

2772653123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2772653123 is an equidigital number, since it uses as much as digits as its factorization.

2772653123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 38.

The square root of 2772653123 is about 52655.9884818432. The cubic root of 2772653123 is about 1404.8561164359.

The spelling of 2772653123 in words is "two billion, seven hundred seventy-two million, six hundred fifty-three thousand, one hundred twenty-three".