40321113123 has 32 divisors (see below), whose sum is σ = 55613030400. Its totient is φ = 25973659296.

The previous prime is 40321113109. The next prime is 40321113181. The reversal of 40321113123 is 32131112304.

It is not a de Polignac number, because 40321113123 - 2¹³ = 40321104931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40321113123.

It is not an unprimeable number, because it can be changed into a prime (40321113193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3167790 + ... + 3180492.

It is an arithmetic number, because the mean of its divisors is an integer number (1737907200).

Almost surely, 2^40321113123 is an apocalyptic number.

40321113123 is a deficient number, since it is larger than the sum of its proper divisors (15291917277).

40321113123 is a wasteful number, since it uses less digits than its factorization.

40321113123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13071.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 40321113123 its reverse (32131112304), we get a palindrome (72452225427).

The spelling of 40321113123 in words is "forty billion, three hundred twenty-one million, one hundred thirteen thousand, one hundred twenty-three".