40243210023 has 4 divisors (see below), whose sum is σ = 53657613368. Its totient is φ = 26828806680.

The previous prime is 40243210001. The next prime is 40243210093. The reversal of 40243210023 is 32001234204.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40243210023 - 2⁵ = 40243209991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40243210093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6707201668 + ... + 6707201673.

It is an arithmetic number, because the mean of its divisors is an integer number (13414403342).

Almost surely, 2^40243210023 is an apocalyptic number.

40243210023 is a deficient number, since it is larger than the sum of its proper divisors (13414403345).

40243210023 is a wasteful number, since it uses less digits than its factorization.

40243210023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13414403344.

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

Adding to 40243210023 its reverse (32001234204), we get a palindrome (72244444227).

The spelling of 40243210023 in words is "forty billion, two hundred forty-three million, two hundred ten thousand, twenty-three".