43042323 has 16 divisors (see below), whose sum is σ = 58181760. Its totient is φ = 28302144.

The previous prime is 43042313. The next prime is 43042327. The reversal of 43042323 is 32324034.

It is not a de Polignac number, because 43042323 - 2⁸ = 43042067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43042323.

It is not an unprimeable number, because it can be changed into a prime (43042327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96940 + ... + 97382.

It is an arithmetic number, because the mean of its divisors is an integer number (3636360).

Almost surely, 2^43042323 is an apocalyptic number.

43042323 is a deficient number, since it is larger than the sum of its proper divisors (15139437).

43042323 is a wasteful number, since it uses less digits than its factorization.

43042323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 43042323 is about 6560.6648291160. The cubic root of 43042323 is about 350.4547096790.

Adding to 43042323 its reverse (32324034), we get a palindrome (75366357).

It can be divided in two parts, 43042 and 323, that added together give a triangular number (43365 = T₂₉₄).

The spelling of 43042323 in words is "forty-three million, forty-two thousand, three hundred twenty-three".