4033123221373 has 2 divisors, whose sum is σ = 4033123221374. Its totient is φ = 4033123221372.

The previous prime is 4033123221319. The next prime is 4033123221461. The reversal of 4033123221373 is 3731223213304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3946909342489 + 86213878884 = 1986683^2 + 293622^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4033123221373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4033123224373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2016561610686 + 2016561610687.

It is an arithmetic number, because the mean of its divisors is an integer number (2016561610687).

Almost surely, 2^{4033123221373} is an apocalyptic number.

It is an amenable number.

4033123221373 is a deficient number, since it is larger than the sum of its proper divisors (1).

4033123221373 is an equidigital number, since it uses as much as digits as its factorization.

4033123221373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 34.

Adding to 4033123221373 its reverse (3731223213304), we get a palindrome (7764346434677).

The spelling of 4033123221373 in words is "four trillion, thirty-three billion, one hundred twenty-three million, two hundred twenty-one thousand, three hundred seventy-three".