42448723 has 2 divisors, whose sum is σ = 42448724. Its totient is φ = 42448722.

The previous prime is 42448691. The next prime is 42448727. The reversal of 42448723 is 32784424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42448723 - 2⁵ = 42448691 is a prime.

It is not a weakly prime, because it can be changed into another prime (42448727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21224361 + 21224362.

It is an arithmetic number, because the mean of its divisors is an integer number (21224362).

Almost surely, 2^42448723 is an apocalyptic number.

42448723 is a deficient number, since it is larger than the sum of its proper divisors (1).

42448723 is an equidigital number, since it uses as much as digits as its factorization.

42448723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43008, while the sum is 34.

The square root of 42448723 is about 6515.2684518752. The cubic root of 42448723 is about 348.8361970534.

The spelling of 42448723 in words is "forty-two million, four hundred forty-eight thousand, seven hundred twenty-three".