43213201323 has 32 divisors (see below), whose sum is σ = 64237017600. Its totient is φ = 25679402496.

The previous prime is 43213201321. The next prime is 43213201327. The reversal of 43213201323 is 32310231234.

It is not a de Polignac number, because 43213201323 - 2¹ = 43213201321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43213201293 and 43213201302.

It is not an unprimeable number, because it can be changed into a prime (43213201321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6158365 + ... + 6165377.

It is an arithmetic number, because the mean of its divisors is an integer number (2007406800).

Almost surely, 2^43213201323 is an apocalyptic number.

43213201323 is a deficient number, since it is larger than the sum of its proper divisors (21023816277).

43213201323 is a wasteful number, since it uses less digits than its factorization.

43213201323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13411.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 43213201323 its reverse (32310231234), we get a palindrome (75523432557).

The spelling of 43213201323 in words is "forty-three billion, two hundred thirteen million, two hundred one thousand, three hundred twenty-three".