40143223023 has 8 divisors (see below), whose sum is σ = 53525224368. Its totient is φ = 26761685184.

The previous prime is 40143223007. The next prime is 40143223039. The reversal of 40143223023 is 32032234104.

It is an interprime number because it is at equal distance from previous prime (40143223007) and next prime (40143223039).

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

It is not a de Polignac number, because 40143223023 - 2⁴ = 40143223007 is a prime.

It is a super-2 number, since 2×40143223023² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40143222984 and 40143223002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40143223073) 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, 265965 + ... + 388617.

It is an arithmetic number, because the mean of its divisors is an integer number (6690653046).

Almost surely, 2^40143223023 is an apocalyptic number.

40143223023 is a deficient number, since it is larger than the sum of its proper divisors (13382001345).

40143223023 is a wasteful number, since it uses less digits than its factorization.

40143223023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231753.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 40143223023 its reverse (32032234104), we get a palindrome (72175457127).

The spelling of 40143223023 in words is "forty billion, one hundred forty-three million, two hundred twenty-three thousand, twenty-three".