40321323223 has 2 divisors, whose sum is σ = 40321323224. Its totient is φ = 40321323222.

The previous prime is 40321323221. The next prime is 40321323283. The reversal of 40321323223 is 32232312304.

40321323223 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 40321323223 - 2¹ = 40321323221 is a prime.

Together with 40321323221, 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 (40321323221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20160661611 + 20160661612.

It is an arithmetic number, because the mean of its divisors is an integer number (20160661612).

Almost surely, 2^40321323223 is an apocalyptic number.

40321323223 is a deficient number, since it is larger than the sum of its proper divisors (1).

40321323223 is an equidigital number, since it uses as much as digits as its factorization.

40321323223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 40321323223 its reverse (32232312304), we get a palindrome (72553635527).

The spelling of 40321323223 in words is "forty billion, three hundred twenty-one million, three hundred twenty-three thousand, two hundred twenty-three".