40240021323 has 8 divisors (see below), whose sum is σ = 53677615248. Its totient is φ = 26814554144.

The previous prime is 40240021313. The next prime is 40240021351. The reversal of 40240021323 is 32312004204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40240021323 - 2⁹ = 40240020811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40240021323.

It is not an unprimeable number, because it can be changed into a prime (40240021313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3023940 + ... + 3037217.

It is an arithmetic number, because the mean of its divisors is an integer number (6709701906).

Almost surely, 2^40240021323 is an apocalyptic number.

40240021323 is a deficient number, since it is larger than the sum of its proper divisors (13437593925).

40240021323 is a wasteful number, since it uses less digits than its factorization.

40240021323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6063373.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 40240021323 its reverse (32312004204), we get a palindrome (72552025527).

The spelling of 40240021323 in words is "forty billion, two hundred forty million, twenty-one thousand, three hundred twenty-three".