42201423 has 48 divisors (see below), whose sum is σ = 70211232. Its totient is φ = 24192000.

The previous prime is 42201403. The next prime is 42201437. The reversal of 42201423 is 32410224.

42201423 is a `hidden beast` number, since 42 + 201 + 423 = 666.

It is not a de Polignac number, because 42201423 - 2⁶ = 42201359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42201396 and 42201405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42201403) 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, 150043 + ... + 150323.

It is an arithmetic number, because the mean of its divisors is an integer number (1462734).

Almost surely, 2^42201423 is an apocalyptic number.

42201423 is a deficient number, since it is larger than the sum of its proper divisors (28009809).

42201423 is a wasteful number, since it uses less digits than its factorization.

42201423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376 (or 373 counting only the distinct ones).

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

The square root of 42201423 is about 6496.2622330075. The cubic root of 42201423 is about 348.1574545111.

Adding to 42201423 its reverse (32410224), we get a palindrome (74611647).

It can be divided in two parts, 42201 and 423, that added together give a palindrome (42624).

The spelling of 42201423 in words is "forty-two million, two hundred one thousand, four hundred twenty-three".