4023243321005 has 4 divisors (see below), whose sum is σ = 4827891985212. Its totient is φ = 3218594656800.

The previous prime is 4023243320989. The next prime is 4023243321029. The reversal of 4023243321005 is 5001233423204.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1367585235844 + 2655658085161 = 1169438^2 + 1629619^2 .

It is not a de Polignac number, because 4023243321005 - 2⁴ = 4023243320989 is a prime.

It is a super-2 number, since 2×4023243321005² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402324332096 + ... + 402324332105.

It is an arithmetic number, because the mean of its divisors is an integer number (1206972996303).

Almost surely, 2^{4023243321005} is an apocalyptic number.

It is an amenable number.

4023243321005 is a deficient number, since it is larger than the sum of its proper divisors (804648664207).

4023243321005 is an equidigital number, since it uses as much as digits as its factorization.

4023243321005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804648664206.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 4023243321005 its reverse (5001233423204), we get a palindrome (9024476744209).

The spelling of 4023243321005 in words is "four trillion, twenty-three billion, two hundred forty-three million, three hundred twenty-one thousand, five".