423813356385 has 32 divisors (see below), whose sum is σ = 694993900032. Its totient is φ = 220437181440.

The previous prime is 423813356339. The next prime is 423813356423. The reversal of 423813356385 is 583653318324.

It is not a de Polignac number, because 423813356385 - 2⁷ = 423813356257 is a prime.

It is a super-2 number, since 2×423813356385² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 871564 + ... + 1267773.

It is an arithmetic number, because the mean of its divisors is an integer number (21718559376).

Almost surely, 2^423813356385 is an apocalyptic number.

It is an amenable number.

423813356385 is a deficient number, since it is larger than the sum of its proper divisors (271180543647).

423813356385 is a wasteful number, since it uses less digits than its factorization.

423813356385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139673.

The product of its digits is 6220800, while the sum is 51.

The spelling of 423813356385 in words is "four hundred twenty-three billion, eight hundred thirteen million, three hundred fifty-six thousand, three hundred eighty-five".