42464423 has 2 divisors, whose sum is σ = 42464424. Its totient is φ = 42464422.

The previous prime is 42464413. The next prime is 42464459. The reversal of 42464423 is 32446424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42464423 - 2¹⁴ = 42448039 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 (42464413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21232211 + 21232212.

It is an arithmetic number, because the mean of its divisors is an integer number (21232212).

Almost surely, 2^42464423 is an apocalyptic number.

42464423 is a deficient number, since it is larger than the sum of its proper divisors (1).

42464423 is an equidigital number, since it uses as much as digits as its factorization.

42464423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 29.

The square root of 42464423 is about 6516.4732025844. The cubic root of 42464423 is about 348.8791983724.

The spelling of 42464423 in words is "forty-two million, four hundred sixty-four thousand, four hundred twenty-three".