43123442 has 8 divisors (see below), whose sum is σ = 64810416. Its totient is φ = 21519972.

The previous prime is 43123433. The next prime is 43123469. The reversal of 43123442 is 24432134.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19568 + ... + 21659.

It is an arithmetic number, because the mean of its divisors is an integer number (8101302).

Almost surely, 2^43123442 is an apocalyptic number.

43123442 is a deficient number, since it is larger than the sum of its proper divisors (21686974).

43123442 is a wasteful number, since it uses less digits than its factorization.

43123442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41752.

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

The square root of 43123442 is about 6566.8441431178. The cubic root of 43123442 is about 350.6747310686.

Adding to 43123442 its reverse (24432134), we get a palindrome (67555576).

The spelling of 43123442 in words is "forty-three million, one hundred twenty-three thousand, four hundred forty-two".