423464358193 has 4 divisors (see below), whose sum is σ = 448374026340. Its totient is φ = 398554690048.

The previous prime is 423464358169. The next prime is 423464358209. The reversal of 423464358193 is 391853464324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 388200025249 + 35264332944 = 623057^2 + 187788^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423464358193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 423464358193.

It is not an unprimeable number, because it can be changed into a prime (423464350193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12454834048 + ... + 12454834081.

It is an arithmetic number, because the mean of its divisors is an integer number (112093506585).

Almost surely, 2^423464358193 is an apocalyptic number.

It is an amenable number.

423464358193 is a deficient number, since it is larger than the sum of its proper divisors (24909668147).

423464358193 is a wasteful number, since it uses less digits than its factorization.

423464358193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24909668146.

The product of its digits is 7464960, while the sum is 52.

The spelling of 423464358193 in words is "four hundred twenty-three billion, four hundred sixty-four million, three hundred fifty-eight thousand, one hundred ninety-three".