42330823 has 2 divisors, whose sum is σ = 42330824. Its totient is φ = 42330822.

The previous prime is 42330793. The next prime is 42330829. The reversal of 42330823 is 32803324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42330823 - 2⁹ = 42330311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42330829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21165411 + 21165412.

It is an arithmetic number, because the mean of its divisors is an integer number (21165412).

Almost surely, 2^42330823 is an apocalyptic number.

42330823 is a deficient number, since it is larger than the sum of its proper divisors (1).

42330823 is an equidigital number, since it uses as much as digits as its factorization.

42330823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 42330823 is about 6506.2141833788. The cubic root of 42330823 is about 348.5129370459.

The spelling of 42330823 in words is "forty-two million, three hundred thirty thousand, eight hundred twenty-three".