40243233110423 has 4 divisors (see below), whose sum is σ = 45992266411920. Its totient is φ = 34494199808928.

The previous prime is 40243233110413. The next prime is 40243233110489. The reversal of 40243233110423 is 32401133234204.

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

It is a cyclic number.

It is not a de Polignac number, because 40243233110423 - 2³² = 40238938143127 is a prime.

It is a super-2 number, since 2×40243233110423² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40243233110423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40243233110413) 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, 2874516650738 + ... + 2874516650751.

It is an arithmetic number, because the mean of its divisors is an integer number (11498066602980).

Almost surely, 2^{40243233110423} is an apocalyptic number.

40243233110423 is a deficient number, since it is larger than the sum of its proper divisors (5749033301497).

40243233110423 is an equidigital number, since it uses as much as digits as its factorization.

40243233110423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5749033301496.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 40243233110423 its reverse (32401133234204), we get a palindrome (72644366344627).

The spelling of 40243233110423 in words is "forty trillion, two hundred forty-three billion, two hundred thirty-three million, one hundred ten thousand, four hundred twenty-three".