423720628360512 has 336 divisors, whose sum is σ = 1378280139202560. Its totient is φ = 112499373662208.

The previous prime is 423720628360493. The next prime is 423720628360633. The reversal of 423720628360512 is 215063826027324.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23780473 + ... + 37589255.

Almost surely, 2^{423720628360512} is an apocalyptic number.

423720628360512 is a gapful number since it is divisible by the number (42) 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 423720628360512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (689140069601280).

423720628360512 is an abundant number, since it is smaller than the sum of its proper divisors (954559510842048).

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

423720628360512 is a wasteful number, since it uses less digits than its factorization.

423720628360512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13808918 (or 13808891 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 51.

The spelling of 423720628360512 in words is "four hundred twenty-three trillion, seven hundred twenty billion, six hundred twenty-eight million, three hundred sixty thousand, five hundred twelve".