40234165443323 has 16 divisors (see below), whose sum is σ = 41645609632800. Its totient is φ = 38824328282880.

The previous prime is 40234165443239. The next prime is 40234165443331. The reversal of 40234165443323 is 32334456143204.

It is a cyclic number.

It is not a de Polignac number, because 40234165443323 - 2¹⁸ = 40234165181179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40234165440323) 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, 1367982488 + ... + 1368011898.

It is an arithmetic number, because the mean of its divisors is an integer number (2602850602050).

Almost surely, 2^{40234165443323} is an apocalyptic number.

40234165443323 is a deficient number, since it is larger than the sum of its proper divisors (1411444189477).

40234165443323 is a wasteful number, since it uses less digits than its factorization.

40234165443323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55102.

The product of its (nonzero) digits is 2488320, while the sum is 44.

The spelling of 40234165443323 in words is "forty trillion, two hundred thirty-four billion, one hundred sixty-five million, four hundred forty-three thousand, three hundred twenty-three".