57278669323 has 2 divisors, whose sum is σ = 57278669324. Its totient is φ = 57278669322.

The previous prime is 57278669309. The next prime is 57278669339. The reversal of 57278669323 is 32396687275.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57278669323 - 2¹³ = 57278661131 is a prime.

It is not a weakly prime, because it can be changed into another prime (57278669353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28639334661 + 28639334662.

It is an arithmetic number, because the mean of its divisors is an integer number (28639334662).

Almost surely, 2^57278669323 is an apocalyptic number.

57278669323 is a deficient number, since it is larger than the sum of its proper divisors (1).

57278669323 is an equidigital number, since it uses as much as digits as its factorization.

57278669323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22861440, while the sum is 58.

The spelling of 57278669323 in words is "fifty-seven billion, two hundred seventy-eight million, six hundred sixty-nine thousand, three hundred twenty-three".