850123427 has 2 divisors, whose sum is σ = 850123428. Its totient is φ = 850123426.

The previous prime is 850123411. The next prime is 850123481. The reversal of 850123427 is 724321058.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 850123427 - 2⁴ = 850123411 is a prime.

It is a super-2 number, since 2×850123427² = 1445419682268448658, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 850123393 and 850123402.

It is not a weakly prime, because it can be changed into another prime (850123727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425061713 + 425061714.

It is an arithmetic number, because the mean of its divisors is an integer number (425061714).

Almost surely, 2^850123427 is an apocalyptic number.

850123427 is a deficient number, since it is larger than the sum of its proper divisors (1).

850123427 is an equidigital number, since it uses as much as digits as its factorization.

850123427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 850123427 is about 29156.8761529763. The cubic root of 850123427 is about 947.3140853498.

The spelling of 850123427 in words is "eight hundred fifty million, one hundred twenty-three thousand, four hundred twenty-seven".