42841123 has 4 divisors (see below), whose sum is σ = 46136608. Its totient is φ = 39545640.

The previous prime is 42841121. The next prime is 42841151. The reversal of 42841123 is 32114824.

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 42841123 - 2¹ = 42841121 is a prime.

It is a super-2 number, since 2×42841123² = 3670723639802258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42841121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1647723 + ... + 1647748.

It is an arithmetic number, because the mean of its divisors is an integer number (11534152).

Almost surely, 2^42841123 is an apocalyptic number.

42841123 is a deficient number, since it is larger than the sum of its proper divisors (3295485).

42841123 is a wasteful number, since it uses less digits than its factorization.

42841123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3295484.

The product of its digits is 1536, while the sum is 25.

The square root of 42841123 is about 6545.3130559202. The cubic root of 42841123 is about 349.9077933976.

Adding to 42841123 its reverse (32114824), we get a palindrome (74955947).

The spelling of 42841123 in words is "forty-two million, eight hundred forty-one thousand, one hundred twenty-three".