42481423 has 8 divisors (see below), whose sum is σ = 43136288. Its totient is φ = 41831424.

The previous prime is 42481409. The next prime is 42481427. The reversal of 42481423 is 32418424.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42481423 - 2¹³ = 42473231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42481391 and 42481400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42481427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18811 + ... + 20947.

It is an arithmetic number, because the mean of its divisors is an integer number (5392036).

Almost surely, 2^42481423 is an apocalyptic number.

42481423 is a deficient number, since it is larger than the sum of its proper divisors (654865).

42481423 is a wasteful number, since it uses less digits than its factorization.

42481423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2433.

The product of its digits is 6144, while the sum is 28.

The square root of 42481423 is about 6517.7774586127. Note that the first 3 decimals coincide. The cubic root of 42481423 is about 348.9257483600.

Adding to 42481423 its reverse (32418424), we get a palindrome (74899847).

It can be divided in two parts, 4248 and 1423, that added together give a triangular number (5671 = T₁₀₆).

The spelling of 42481423 in words is "forty-two million, four hundred eighty-one thousand, four hundred twenty-three".