42512343 has 4 divisors (see below), whose sum is σ = 56683128. Its totient is φ = 28341560.

The previous prime is 42512341. The next prime is 42512369. The reversal of 42512343 is 34321524.

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 42512343 - 2¹ = 42512341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42512341) 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, 7085388 + ... + 7085393.

It is an arithmetic number, because the mean of its divisors is an integer number (14170782).

Almost surely, 2^42512343 is an apocalyptic number.

42512343 is a deficient number, since it is larger than the sum of its proper divisors (14170785).

42512343 is a wasteful number, since it uses less digits than its factorization.

42512343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14170784.

The product of its digits is 2880, while the sum is 24.

The square root of 42512343 is about 6520.1490013649. The cubic root of 42512343 is about 349.0103827476.

Adding to 42512343 its reverse (34321524), we get a palindrome (76833867).

The spelling of 42512343 in words is "forty-two million, five hundred twelve thousand, three hundred forty-three".