4023120031243 has 4 divisors (see below), whose sum is σ = 4029097922008. Its totient is φ = 4017142140480.

The previous prime is 4023120031171. The next prime is 4023120031247. The reversal of 4023120031243 is 3421300213204.

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 4023120031243 - 2⁹ = 4023120030731 is a prime.

It is a super-2 number, since 2×4023120031243² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4023120031247) 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, 2988944373 + ... + 2988945718.

It is an arithmetic number, because the mean of its divisors is an integer number (1007274480502).

Almost surely, 2^{4023120031243} is an apocalyptic number.

4023120031243 is a deficient number, since it is larger than the sum of its proper divisors (5977890765).

4023120031243 is an equidigital number, since it uses as much as digits as its factorization.

4023120031243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5977890764.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 4023120031243 its reverse (3421300213204), we get a palindrome (7444420244447).

The spelling of 4023120031243 in words is "four trillion, twenty-three billion, one hundred twenty million, thirty-one thousand, two hundred forty-three".