857059223 has 2 divisors, whose sum is σ = 857059224. Its totient is φ = 857059222.

The previous prime is 857059213. The next prime is 857059249. The reversal of 857059223 is 322950758.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 857059223 - 2¹⁴ = 857042839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (857059213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 428529611 + 428529612.

It is an arithmetic number, because the mean of its divisors is an integer number (428529612).

Almost surely, 2^857059223 is an apocalyptic number.

857059223 is a deficient number, since it is larger than the sum of its proper divisors (1).

857059223 is an equidigital number, since it uses as much as digits as its factorization.

857059223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 857059223 is about 29275.5738287057. The cubic root of 857059223 is about 949.8833552076.

The spelling of 857059223 in words is "eight hundred fifty-seven million, fifty-nine thousand, two hundred twenty-three".