284349623 has 2 divisors, whose sum is σ = 284349624. Its totient is φ = 284349622.

The previous prime is 284349607. The next prime is 284349629. The reversal of 284349623 is 326943482.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 284349623 - 2⁴ = 284349607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (284349629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142174811 + 142174812.

It is an arithmetic number, because the mean of its divisors is an integer number (142174812).

Almost surely, 2^284349623 is an apocalyptic number.

284349623 is a deficient number, since it is larger than the sum of its proper divisors (1).

284349623 is an equidigital number, since it uses as much as digits as its factorization.

284349623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 41.

The square root of 284349623 is about 16862.6695098967. The cubic root of 284349623 is about 657.5834669732.

The spelling of 284349623 in words is "two hundred eighty-four million, three hundred forty-nine thousand, six hundred twenty-three".