423435604686 has 32 divisors (see below), whose sum is σ = 883762306560. Its totient is φ = 134997666144.

The previous prime is 423435604667. The next prime is 423435604687. The reversal of 423435604686 is 686406534324.

It is a super-2 number, since 2×423435604686² (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 (423435604687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1709631 + ... + 1941573.

It is an arithmetic number, because the mean of its divisors is an integer number (27617572080).

Almost surely, 2^423435604686 is an apocalyptic number.

423435604686 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

423435604686 is an abundant number, since it is smaller than the sum of its proper divisors (460326701874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423435604686 is a wasteful number, since it uses less digits than its factorization.

423435604686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245200.

The product of its (nonzero) digits is 9953280, while the sum is 51.

The spelling of 423435604686 in words is "four hundred twenty-three billion, four hundred thirty-five million, six hundred four thousand, six hundred eighty-six".