423480935693 has 2 divisors, whose sum is σ = 423480935694. Its totient is φ = 423480935692.

The previous prime is 423480935659. The next prime is 423480935747. The reversal of 423480935693 is 396539084324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 360380500489 + 63100435204 = 600317^2 + 251198^2 .

It is a cyclic number.

It is not a de Polignac number, because 423480935693 - 2⁶ = 423480935629 is a prime.

It is a super-2 number, since 2×423480935693² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423480935093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211740467846 + 211740467847.

It is an arithmetic number, because the mean of its divisors is an integer number (211740467847).

Almost surely, 2^423480935693 is an apocalyptic number.

It is an amenable number.

423480935693 is a deficient number, since it is larger than the sum of its proper divisors (1).

423480935693 is an equidigital number, since it uses as much as digits as its factorization.

423480935693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16796160, while the sum is 56.

The spelling of 423480935693 in words is "four hundred twenty-three billion, four hundred eighty million, nine hundred thirty-five thousand, six hundred ninety-three".