423313744897 has 4 divisors (see below), whose sum is σ = 427504970196. Its totient is φ = 419122519600.

The previous prime is 423313744871. The next prime is 423313744907. The reversal of 423313744897 is 798447313324.

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 401276639296 + 22037105601 = 633464^2 + 148449^2 .

It is a cyclic number.

It is not a de Polignac number, because 423313744897 - 2⁷ = 423313744769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423313744837) 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 in 3 ways as a sum of consecutive naturals, for example, 2095612498 + ... + 2095612699.

It is an arithmetic number, because the mean of its divisors is an integer number (106876242549).

Almost surely, 2^423313744897 is an apocalyptic number.

It is an amenable number.

423313744897 is a deficient number, since it is larger than the sum of its proper divisors (4191225299).

423313744897 is a wasteful number, since it uses less digits than its factorization.

423313744897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4191225298.

The product of its digits is 12192768, while the sum is 55.

The spelling of 423313744897 in words is "four hundred twenty-three billion, three hundred thirteen million, seven hundred forty-four thousand, eight hundred ninety-seven".