423942471 has 16 divisors (see below), whose sum is σ = 628696320. Its totient is φ = 282343320.

The previous prime is 423942469. The next prime is 423942473. The reversal of 423942471 is 174249324.

It is an interprime number because it is at equal distance from previous prime (423942469) and next prime (423942473).

It is not a de Polignac number, because 423942471 - 2¹ = 423942469 is a prime.

It is a super-3 number, since 3×423942471³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423942473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21316 + ... + 36086.

It is an arithmetic number, because the mean of its divisors is an integer number (39293520).

Almost surely, 2^423942471 is an apocalyptic number.

423942471 is a deficient number, since it is larger than the sum of its proper divisors (204753849).

423942471 is a wasteful number, since it uses less digits than its factorization.

423942471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15843 (or 15837 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 423942471 is about 20589.8633069771. The cubic root of 423942471 is about 751.2231720490.

The spelling of 423942471 in words is "four hundred twenty-three million, nine hundred forty-two thousand, four hundred seventy-one".