423477379836 has 144 divisors (see below), whose sum is σ = 1314676935936. Its totient is φ = 112176548352.

The previous prime is 423477379813. The next prime is 423477379841. The reversal of 423477379836 is 638973774324.

It is a happy number.

423477379836 is a `hidden beast` number, since 42 + 3 + 477 + 3 + 7 + 98 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 450666 + ... + 1024721.

It is an arithmetic number, because the mean of its divisors is an integer number (9129700944).

Almost surely, 2^423477379836 is an apocalyptic number.

It is an amenable number.

423477379836 is an abundant number, since it is smaller than the sum of its proper divisors (891199556100).

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

423477379836 is a wasteful number, since it uses less digits than its factorization.

423477379836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475488 (or 1475483 counting only the distinct ones).

The product of its digits is 128024064, while the sum is 63.

The spelling of 423477379836 in words is "four hundred twenty-three billion, four hundred seventy-seven million, three hundred seventy-nine thousand, eight hundred thirty-six".