42359623 has 2 divisors, whose sum is σ = 42359624. Its totient is φ = 42359622.

The previous prime is 42359617. The next prime is 42359659. The reversal of 42359623 is 32695324.

42359623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42359623 - 2⁵ = 42359591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42359663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21179811 + 21179812.

It is an arithmetic number, because the mean of its divisors is an integer number (21179812).

Almost surely, 2^42359623 is an apocalyptic number.

42359623 is a deficient number, since it is larger than the sum of its proper divisors (1).

42359623 is an equidigital number, since it uses as much as digits as its factorization.

42359623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 34.

The square root of 42359623 is about 6508.4270757227. The cubic root of 42359623 is about 348.5919566701.

The spelling of 42359623 in words is "forty-two million, three hundred fifty-nine thousand, six hundred twenty-three".