42423701 has 2 divisors, whose sum is σ = 42423702. Its totient is φ = 42423700.

The previous prime is 42423697. The next prime is 42423709. The reversal of 42423701 is 10732424.

42423701 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 can be written as a sum of positive squares in only one way, i.e., 42120100 + 303601 = 6490^2 + 551^2 .

It is a cyclic number.

It is not a de Polignac number, because 42423701 - 2² = 42423697 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42423709) 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, 21211850 + 21211851.

It is an arithmetic number, because the mean of its divisors is an integer number (21211851).

Almost surely, 2^42423701 is an apocalyptic number.

It is an amenable number.

42423701 is a deficient number, since it is larger than the sum of its proper divisors (1).

42423701 is an equidigital number, since it uses as much as digits as its factorization.

42423701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 42423701 is about 6513.3479102532. The cubic root of 42423701 is about 348.7676414383.

The spelling of 42423701 in words is "forty-two million, four hundred twenty-three thousand, seven hundred one".