40223140243343 has 4 divisors (see below), whose sum is σ = 40479338589000. Its totient is φ = 39966941897688.

The previous prime is 40223140243309. The next prime is 40223140243361. The reversal of 40223140243343 is 34334204132204.

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 40223140243343 - 2²⁰ = 40223139194767 is a prime.

It is a super-2 number, since 2×40223140243343² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40223140240343) 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, 128099172593 + ... + 128099172906.

It is an arithmetic number, because the mean of its divisors is an integer number (10119834647250).

Almost surely, 2^{40223140243343} is an apocalyptic number.

40223140243343 is a deficient number, since it is larger than the sum of its proper divisors (256198345657).

40223140243343 is a wasteful number, since it uses less digits than its factorization.

40223140243343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256198345656.

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 40223140243343 its reverse (34334204132204), we get a palindrome (74557344375547).

The spelling of 40223140243343 in words is "forty trillion, two hundred twenty-three billion, one hundred forty million, two hundred forty-three thousand, three hundred forty-three".