40320412143223 has 16 divisors (see below), whose sum is σ = 41894507356416. Its totient is φ = 38763995397120.

The previous prime is 40320412143203. The next prime is 40320412143229. The reversal of 40320412143223 is 32234121402304.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40320412143223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40320412143229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 795136 + ... + 9015157.

It is an arithmetic number, because the mean of its divisors is an integer number (2618406709776).

Almost surely, 2^{40320412143223} is an apocalyptic number.

40320412143223 is a deficient number, since it is larger than the sum of its proper divisors (1574095213193).

40320412143223 is a wasteful number, since it uses less digits than its factorization.

40320412143223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9811194.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 40320412143223 its reverse (32234121402304), we get a palindrome (72554533545527).

The spelling of 40320412143223 in words is "forty trillion, three hundred twenty billion, four hundred twelve million, one hundred forty-three thousand, two hundred twenty-three".