423838558323648 has 672 divisors, whose sum is σ = 1385631935880192. Its totient is φ = 122877038592000.

The previous prime is 423838558323617. The next prime is 423838558323703. The reversal of 423838558323648 is 846323855838324.

423838558323648 is a `hidden beast` number, since 4 + 2 + 3 + 8 + 3 + 8 + 5 + 583 + 2 + 36 + 4 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14514507448 + ... + 14514536648.

It is an arithmetic number, because the mean of its divisors is an integer number (2061952285536).

Almost surely, 2^{423838558323648} is an apocalyptic number.

423838558323648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423838558323648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (692815967940096).

423838558323648 is an abundant number, since it is smaller than the sum of its proper divisors (961793377556544).

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

423838558323648 is a wasteful number, since it uses less digits than its factorization.

423838558323648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30513 (or 30500 counting only the distinct ones).

The product of its digits is 3185049600, while the sum is 72.

The spelling of 423838558323648 in words is "four hundred twenty-three trillion, eight hundred thirty-eight billion, five hundred fifty-eight million, three hundred twenty-three thousand, six hundred forty-eight".