123334445573 has 2 divisors, whose sum is σ = 123334445574. Its totient is φ = 123334445572.

The previous prime is 123334445567. The next prime is 123334445587. The reversal of 123334445573 is 375544433321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106662987649 + 16671457924 = 326593^2 + 129118^2 .

It is an emirp because it is prime and its reverse (375544433321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123334445573 - 2¹⁴ = 123334429189 is a prime.

It is a super-2 number, since 2×123334445573² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123334445873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61667222786 + 61667222787.

It is an arithmetic number, because the mean of its divisors is an integer number (61667222787).

Almost surely, 2^123334445573 is an apocalyptic number.

It is an amenable number.

123334445573 is a deficient number, since it is larger than the sum of its proper divisors (1).

123334445573 is an equidigital number, since it uses as much as digits as its factorization.

123334445573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1814400, while the sum is 44.

Adding to 123334445573 its reverse (375544433321), we get a palindrome (498878878894).

The spelling of 123334445573 in words is "one hundred twenty-three billion, three hundred thirty-four million, four hundred forty-five thousand, five hundred seventy-three".