43423142 has 8 divisors (see below), whose sum is σ = 74439696. Its totient is φ = 18609912.

The previous prime is 43423111. The next prime is 43423147. The reversal of 43423142 is 24132434.

43423142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-3 number, since 3×43423142³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43423147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1550813 + ... + 1550840.

It is an arithmetic number, because the mean of its divisors is an integer number (9304962).

Almost surely, 2^43423142 is an apocalyptic number.

43423142 is a deficient number, since it is larger than the sum of its proper divisors (31016554).

43423142 is a wasteful number, since it uses less digits than its factorization.

43423142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3101662.

The product of its digits is 2304, while the sum is 23.

The square root of 43423142 is about 6589.6238132385. The cubic root of 43423142 is about 351.4852313360.

Adding to 43423142 its reverse (24132434), we get a palindrome (67555576).

The spelling of 43423142 in words is "forty-three million, four hundred twenty-three thousand, one hundred forty-two".