2855109289723 has 2 divisors, whose sum is σ = 2855109289724. Its totient is φ = 2855109289722.

The previous prime is 2855109289589. The next prime is 2855109289727. The reversal of 2855109289723 is 3279829015582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2855109289723 - 2⁴¹ = 656086034171 is a prime.

It is not a weakly prime, because it can be changed into another prime (2855109289727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1427554644861 + 1427554644862.

It is an arithmetic number, because the mean of its divisors is an integer number (1427554644862).

Almost surely, 2^{2855109289723} is an apocalyptic number.

2855109289723 is a deficient number, since it is larger than the sum of its proper divisors (1).

2855109289723 is an equidigital number, since it uses as much as digits as its factorization.

2855109289723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21772800, while the sum is 61.

The spelling of 2855109289723 in words is "two trillion, eight hundred fifty-five billion, one hundred nine million, two hundred eighty-nine thousand, seven hundred twenty-three".