423133021373 has 2 divisors, whose sum is σ = 423133021374. Its totient is φ = 423133021372.

The previous prime is 423133021369. The next prime is 423133021411. The reversal of 423133021373 is 373120331324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 313149921604 + 109983099769 = 559598^2 + 331637^2 .

It is a cyclic number.

It is not a de Polignac number, because 423133021373 - 2² = 423133021369 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423133021573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211566510686 + 211566510687.

It is an arithmetic number, because the mean of its divisors is an integer number (211566510687).

Almost surely, 2^423133021373 is an apocalyptic number.

It is an amenable number.

423133021373 is a deficient number, since it is larger than the sum of its proper divisors (1).

423133021373 is an equidigital number, since it uses as much as digits as its factorization.

423133021373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 32.

Adding to 423133021373 its reverse (373120331324), we get a palindrome (796253352697).

The spelling of 423133021373 in words is "four hundred twenty-three billion, one hundred thirty-three million, twenty-one thousand, three hundred seventy-three".