42423201 has 48 divisors (see below), whose sum is σ = 68290560. Its totient is φ = 25280640.

The previous prime is 42423197. The next prime is 42423203. The reversal of 42423201 is 10232424.

42423201 is a `hidden beast` number, since 42 + 423 + 201 = 666.

It is not a de Polignac number, because 42423201 - 2² = 42423197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42423203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 222016 + ... + 222206.

It is an arithmetic number, because the mean of its divisors is an integer number (1422720).

Almost surely, 2^42423201 is an apocalyptic number.

It is an amenable number.

42423201 is a deficient number, since it is larger than the sum of its proper divisors (25867359).

42423201 is a wasteful number, since it uses less digits than its factorization.

42423201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 42423201 is about 6513.3095274215. The cubic root of 42423201 is about 348.7662712569.

Adding to 42423201 its reverse (10232424), we get a palindrome (52655625).

It can be divided in two parts, 42423 and 201, that added together give a palindrome (42624).

The spelling of 42423201 in words is "forty-two million, four hundred twenty-three thousand, two hundred one".