43213001023 has 2 divisors, whose sum is σ = 43213001024. Its totient is φ = 43213001022.

The previous prime is 43213001021. The next prime is 43213001141. The reversal of 43213001023 is 32010031234.

43213001023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43213001023 - 2¹ = 43213001021 is a prime.

Together with 43213001021, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43213001021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21606500511 + 21606500512.

It is an arithmetic number, because the mean of its divisors is an integer number (21606500512).

Almost surely, 2^43213001023 is an apocalyptic number.

43213001023 is a deficient number, since it is larger than the sum of its proper divisors (1).

43213001023 is an equidigital number, since it uses as much as digits as its factorization.

43213001023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 43213001023 its reverse (32010031234), we get a palindrome (75223032257).

The spelling of 43213001023 in words is "forty-three billion, two hundred thirteen million, one thousand, twenty-three".