423315149 has 2 divisors, whose sum is σ = 423315150. Its totient is φ = 423315148.

The previous prime is 423315133. The next prime is 423315203. The reversal of 423315149 is 941513324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 388799524 + 34515625 = 19718^2 + 5875^2 .

It is a cyclic number.

It is not a de Polignac number, because 423315149 - 2⁴ = 423315133 is a prime.

It is a super-4 number, since 4×423315149⁴ (a number of 36 digits) contains 4444 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423315749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211657574 + 211657575.

It is an arithmetic number, because the mean of its divisors is an integer number (211657575).

Almost surely, 2^423315149 is an apocalyptic number.

It is an amenable number.

423315149 is a deficient number, since it is larger than the sum of its proper divisors (1).

423315149 is an equidigital number, since it uses as much as digits as its factorization.

423315149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 32.

The square root of 423315149 is about 20574.6239090779. The cubic root of 423315149 is about 750.8524523625.

The spelling of 423315149 in words is "four hundred twenty-three million, three hundred fifteen thousand, one hundred forty-nine".