40323210234443 has 16 divisors (see below), whose sum is σ = 40514346356160. Its totient is φ = 40132615712256.

The previous prime is 40323210234431. The next prime is 40323210234449. The reversal of 40323210234443 is 34443201232304.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40323210234443 is a prime.

It is a super-2 number, since 2×40323210234443² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40323210234449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407721146 + ... + 407820032.

It is an arithmetic number, because the mean of its divisors is an integer number (2532146647260).

Almost surely, 2^{40323210234443} is an apocalyptic number.

40323210234443 is a deficient number, since it is larger than the sum of its proper divisors (191136121717).

40323210234443 is a wasteful number, since it uses less digits than its factorization.

40323210234443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101606.

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 40323210234443 its reverse (34443201232304), we get a palindrome (74766411466747).

The spelling of 40323210234443 in words is "forty trillion, three hundred twenty-three billion, two hundred ten million, two hundred thirty-four thousand, four hundred forty-three".