849898123 has 2 divisors, whose sum is σ = 849898124. Its totient is φ = 849898122.

The previous prime is 849898117. The next prime is 849898129. The reversal of 849898123 is 321898948.

It is a balanced prime because it is at equal distance from previous prime (849898117) and next prime (849898129).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-849898123 is a prime.

It is not a weakly prime, because it can be changed into another prime (849898129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424949061 + 424949062.

It is an arithmetic number, because the mean of its divisors is an integer number (424949062).

Almost surely, 2^849898123 is an apocalyptic number.

849898123 is a deficient number, since it is larger than the sum of its proper divisors (1).

849898123 is an equidigital number, since it uses as much as digits as its factorization.

849898123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995328, while the sum is 52.

The square root of 849898123 is about 29153.0122457354. The cubic root of 849898123 is about 947.2303906361.

The spelling of 849898123 in words is "eight hundred forty-nine million, eight hundred ninety-eight thousand, one hundred twenty-three".