42710023 has 2 divisors, whose sum is σ = 42710024. Its totient is φ = 42710022.

The previous prime is 42710009. The next prime is 42710047. The reversal of 42710023 is 32001724.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42710023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42710053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21355011 + 21355012.

It is an arithmetic number, because the mean of its divisors is an integer number (21355012).

Almost surely, 2^42710023 is an apocalyptic number.

42710023 is a deficient number, since it is larger than the sum of its proper divisors (1).

42710023 is an equidigital number, since it uses as much as digits as its factorization.

42710023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 42710023 is about 6535.2905826750. The cubic root of 42710023 is about 349.5505059692.

Adding to 42710023 its reverse (32001724), we get a palindrome (74711747).

The spelling of 42710023 in words is "forty-two million, seven hundred ten thousand, twenty-three".