42662123 has 8 divisors (see below), whose sum is σ = 49005792. Its totient is φ = 36380736.

The previous prime is 42662111. The next prime is 42662131. The reversal of 42662123 is 32126624.

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

It is not a de Polignac number, because 42662123 - 2¹⁸ = 42399979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42662092 and 42662101.

It is not an unprimeable number, because it can be changed into a prime (42662023) 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, 14090 + ... + 16847.

It is an arithmetic number, because the mean of its divisors is an integer number (6125724).

Almost surely, 2^42662123 is an apocalyptic number.

42662123 is a deficient number, since it is larger than the sum of its proper divisors (6343669).

42662123 is a wasteful number, since it uses less digits than its factorization.

42662123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31141.

The product of its digits is 3456, while the sum is 26.

The square root of 42662123 is about 6531.6248361338. The cubic root of 42662123 is about 349.4197815216.

Adding to 42662123 its reverse (32126624), we get a palindrome (74788747).

The spelling of 42662123 in words is "forty-two million, six hundred sixty-two thousand, one hundred twenty-three".