423809415197 has 16 divisors (see below), whose sum is σ = 487944559872. Its totient is φ = 360572611200.

The previous prime is 423809415163. The next prime is 423809415241. The reversal of 423809415197 is 791514908324.

It is a cyclic number.

It is not a de Polignac number, because 423809415197 - 2¹⁴ = 423809398813 is a prime.

It is a super-2 number, since 2×423809415197² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423809415157) 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 15 ways as a sum of consecutive naturals, for example, 10866143 + ... + 10905075.

It is an arithmetic number, because the mean of its divisors is an integer number (30496534992).

Almost surely, 2^423809415197 is an apocalyptic number.

It is an amenable number.

423809415197 is a deficient number, since it is larger than the sum of its proper divisors (64135144675).

423809415197 is a wasteful number, since it uses less digits than its factorization.

423809415197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50428.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 423809415197 in words is "four hundred twenty-three billion, eight hundred nine million, four hundred fifteen thousand, one hundred ninety-seven".