42346123 has 4 divisors (see below), whose sum is σ = 42396280. Its totient is φ = 42295968.

The previous prime is 42346121. The next prime is 42346127. The reversal of 42346123 is 32164324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42346123 - 2¹ = 42346121 is a prime.

It is a super-2 number, since 2×42346123² = 3586388266262258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42346121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23790 + ... + 25507.

It is an arithmetic number, because the mean of its divisors is an integer number (10599070).

Almost surely, 2^42346123 is an apocalyptic number.

42346123 is a deficient number, since it is larger than the sum of its proper divisors (50157).

42346123 is an equidigital number, since it uses as much as digits as its factorization.

42346123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50156.

The product of its digits is 3456, while the sum is 25.

The square root of 42346123 is about 6507.3898761331. The cubic root of 42346123 is about 348.5549206823.

The spelling of 42346123 in words is "forty-two million, three hundred forty-six thousand, one hundred twenty-three".