848440423 has 2 divisors, whose sum is σ = 848440424. Its totient is φ = 848440422.

The previous prime is 848440409. The next prime is 848440447. The reversal of 848440423 is 324044848.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-848440423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (848447423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424220211 + 424220212.

It is an arithmetic number, because the mean of its divisors is an integer number (424220212).

Almost surely, 2^848440423 is an apocalyptic number.

848440423 is a deficient number, since it is larger than the sum of its proper divisors (1).

848440423 is an equidigital number, since it uses as much as digits as its factorization.

848440423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98304, while the sum is 37.

The square root of 848440423 is about 29128.0006694589. Note that the first 3 decimals coincide. The cubic root of 848440423 is about 946.6885343562.

The spelling of 848440423 in words is "eight hundred forty-eight million, four hundred forty thousand, four hundred twenty-three".