43023213 has 12 divisors (see below), whose sum is σ = 63198720. Its totient is φ = 28195656.

The previous prime is 43023173. The next prime is 43023221. The reversal of 43023213 is 31232034.

43023213 is a `hidden beast` number, since 430 + 23 + 213 = 666.

It is not a de Polignac number, because 43023213 - 2⁸ = 43022957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43023293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39981 + ... + 41042.

It is an arithmetic number, because the mean of its divisors is an integer number (5266560).

Almost surely, 2^43023213 is an apocalyptic number.

It is an amenable number.

43023213 is a deficient number, since it is larger than the sum of its proper divisors (20175507).

43023213 is a wasteful number, since it uses less digits than its factorization.

43023213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81088 (or 81085 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 43023213 is about 6559.2082601485. The cubic root of 43023213 is about 350.4028368523.

Adding to 43023213 its reverse (31232034), we get a palindrome (74255247).

The spelling of 43023213 in words is "forty-three million, twenty-three thousand, two hundred thirteen".