424423943 has 4 divisors (see below), whose sum is σ = 426293880. Its totient is φ = 422554008.

The previous prime is 424423933. The next prime is 424423949. The reversal of 424423943 is 349324424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 424423943 - 2⁴ = 424423927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424423949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 934628 + ... + 935081.

It is an arithmetic number, because the mean of its divisors is an integer number (106573470).

Almost surely, 2^424423943 is an apocalyptic number.

424423943 is a deficient number, since it is larger than the sum of its proper divisors (1869937).

424423943 is a wasteful number, since it uses less digits than its factorization.

424423943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869936.

The product of its digits is 82944, while the sum is 35.

The square root of 424423943 is about 20601.5519561027. The cubic root of 424423943 is about 751.5074528254.

The spelling of 424423943 in words is "four hundred twenty-four million, four hundred twenty-three thousand, nine hundred forty-three".