423420033213 has 12 divisors (see below), whose sum is σ = 611636505948. Its totient is φ = 282266272320.

The previous prime is 423420033193. The next prime is 423420033217. The reversal of 423420033213 is 312330024324.

423420033213 is a `hidden beast` number, since 4 + 23 + 420 + 0 + 3 + 3 + 213 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 49485337209 + 373934696004 = 222453^2 + 611502^2 .

It is not a de Polignac number, because 423420033213 - 2⁶ = 423420033149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423420033217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 949008 + ... + 1321913.

It is an arithmetic number, because the mean of its divisors is an integer number (50969708829).

Almost surely, 2^423420033213 is an apocalyptic number.

It is an amenable number.

423420033213 is a deficient number, since it is larger than the sum of its proper divisors (188216472735).

423420033213 is a wasteful number, since it uses less digits than its factorization.

423420033213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291644 (or 2291641 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 423420033213 its reverse (312330024324), we get a palindrome (735750057537).

The spelling of 423420033213 in words is "four hundred twenty-three billion, four hundred twenty million, thirty-three thousand, two hundred thirteen".