42657323 has 2 divisors, whose sum is σ = 42657324. Its totient is φ = 42657322.

The previous prime is 42657319. The next prime is 42657379. The reversal of 42657323 is 32375624.

42657323 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 42657323 - 2² = 42657319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42657323.

It is not a weakly prime, because it can be changed into another prime (42657313) 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, 21328661 + 21328662.

It is an arithmetic number, because the mean of its divisors is an integer number (21328662).

Almost surely, 2^42657323 is an apocalyptic number.

42657323 is a deficient number, since it is larger than the sum of its proper divisors (1).

42657323 is an equidigital number, since it uses as much as digits as its factorization.

42657323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 32.

The square root of 42657323 is about 6531.2573827709. The cubic root of 42657323 is about 349.4066763927.

The spelling of 42657323 in words is "forty-two million, six hundred fifty-seven thousand, three hundred twenty-three".