43042023 has 10 divisors (see below), whose sum is σ = 64297464. Its totient is φ = 28694628.

The previous prime is 43042019. The next prime is 43042031. The reversal of 43042023 is 32024034.

It is not a de Polignac number, because 43042023 - 2² = 43042019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43041987 and 43042005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43042033) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 265611 + ... + 265772.

Almost surely, 2^43042023 is an apocalyptic number.

43042023 is a deficient number, since it is larger than the sum of its proper divisors (21255441).

43042023 is an equidigital number, since it uses as much as digits as its factorization.

43042023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531395 (or 531386 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 43042023 is about 6560.6419655397. The cubic root of 43042023 is about 350.4538954676.

Adding to 43042023 its reverse (32024034), we get a palindrome (75066057).

The spelling of 43042023 in words is "forty-three million, forty-two thousand, twenty-three".