43344023 has 2 divisors, whose sum is σ = 43344024. Its totient is φ = 43344022.

The previous prime is 43344019. The next prime is 43344053. The reversal of 43344023 is 32044334.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43344023 - 2² = 43344019 is a prime.

It is equal to p_2624081 and since 43344023 and 2624081 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43344023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43344053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21672011 + 21672012.

It is an arithmetic number, because the mean of its divisors is an integer number (21672012).

Almost surely, 2^43344023 is an apocalyptic number.

43344023 is a deficient number, since it is larger than the sum of its proper divisors (1).

43344023 is an equidigital number, since it uses as much as digits as its factorization.

43344023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 43344023 is about 6583.6177744459. The cubic root of 43344023 is about 351.2716273627.

Adding to 43344023 its reverse (32044334), we get a palindrome (75388357).

The spelling of 43344023 in words is "forty-three million, three hundred forty-four thousand, twenty-three".