423675053820 has 576 divisors, whose sum is σ = 1418734227456. Its totient is φ = 105972572160.

The previous prime is 423675053797. The next prime is 423675053821. The reversal of 423675053820 is 28350576324.

423675053820 is a `hidden beast` number, since 4 + 2 + 3 + 67 + 50 + 538 + 2 + 0 = 666.

It is a super-3 number, since 3×423675053820³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423675053821) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 774542787 + ... + 774543333.

It is an arithmetic number, because the mean of its divisors is an integer number (2463080256).

Almost surely, 2^423675053820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423675053820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (709367113728).

423675053820 is an abundant number, since it is smaller than the sum of its proper divisors (995059173636).

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

423675053820 is a wasteful number, since it uses less digits than its factorization.

423675053820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 423675053820 in words is "four hundred twenty-three billion, six hundred seventy-five million, fifty-three thousand, eight hundred twenty".