838260823 has 2 divisors, whose sum is σ = 838260824. Its totient is φ = 838260822.

The previous prime is 838260821. The next prime is 838260827. The reversal of 838260823 is 328062838.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 838260823 - 2¹ = 838260821 is a prime.

Together with 838260821, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (838260821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 419130411 + 419130412.

It is an arithmetic number, because the mean of its divisors is an integer number (419130412).

Almost surely, 2^838260823 is an apocalyptic number.

838260823 is a deficient number, since it is larger than the sum of its proper divisors (1).

838260823 is an equidigital number, since it uses as much as digits as its factorization.

838260823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 838260823 is about 28952.7342922909. The cubic root of 838260823 is about 942.8871632063.

The spelling of 838260823 in words is "eight hundred thirty-eight million, two hundred sixty thousand, eight hundred twenty-three".