42617423 has 2 divisors, whose sum is σ = 42617424. Its totient is φ = 42617422.

The previous prime is 42617417. The next prime is 42617431. The reversal of 42617423 is 32471624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42617423 - 2⁸ = 42617167 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42617483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21308711 + 21308712.

It is an arithmetic number, because the mean of its divisors is an integer number (21308712).

Almost surely, 2^42617423 is an apocalyptic number.

42617423 is a deficient number, since it is larger than the sum of its proper divisors (1).

42617423 is an equidigital number, since it uses as much as digits as its factorization.

42617423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 29.

The square root of 42617423 is about 6528.2021261600. The cubic root of 42617423 is about 349.2977019393.

The spelling of 42617423 in words is "forty-two million, six hundred seventeen thousand, four hundred twenty-three".