798313123 has 2 divisors, whose sum is σ = 798313124. Its totient is φ = 798313122.

The previous prime is 798313121. The next prime is 798313157. The reversal of 798313123 is 321313897.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 798313123 - 2¹ = 798313121 is a prime.

Together with 798313121, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (798313121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399156561 + 399156562.

It is an arithmetic number, because the mean of its divisors is an integer number (399156562).

Almost surely, 2^798313123 is an apocalyptic number.

798313123 is a deficient number, since it is larger than the sum of its proper divisors (1).

798313123 is an equidigital number, since it uses as much as digits as its factorization.

798313123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 37.

The square root of 798313123 is about 28254.4354571101. The cubic root of 798313123 is about 927.6648251233.

The spelling of 798313123 in words is "seven hundred ninety-eight million, three hundred thirteen thousand, one hundred twenty-three".