862423 has 2 divisors, whose sum is σ = 862424. Its totient is φ = 862422.

The previous prime is 862417. The next prime is 862441. The reversal of 862423 is 324268.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-862423 is a prime.

862423 is a lucky number.

It is equal to p₆₈₅₃₃ and since 862423 and 68533 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (862483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431211 + 431212.

It is an arithmetic number, because the mean of its divisors is an integer number (431212).

2⁸⁶²⁴²³ is an apocalyptic number.

862423 is a deficient number, since it is larger than the sum of its proper divisors (1).

862423 is an equidigital number, since it uses as much as digits as its factorization.

862423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 25.

The square root of 862423 is about 928.6673247186. The cubic root of 862423 is about 95.1860803390.

The spelling of 862423 in words is "eight hundred sixty-two thousand, four hundred twenty-three".