423545051100 has 144 divisors (see below), whose sum is σ = 1256524577280. Its totient is φ = 110087155200.

The previous prime is 423545051089. The next prime is 423545051131. The reversal of 423545051100 is 1150545324.

423545051100 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×423545051100² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13551291 + ... + 13582509.

It is an arithmetic number, because the mean of its divisors is an integer number (8725865120).

Almost surely, 2^423545051100 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 423545051100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (628262288640).

423545051100 is an abundant number, since it is smaller than the sum of its proper divisors (832979526180).

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

423545051100 is a wasteful number, since it uses less digits than its factorization.

423545051100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32380 (or 32373 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 423545051100 its reverse (1150545324), we get a palindrome (424695596424).

The spelling of 423545051100 in words is "four hundred twenty-three billion, five hundred forty-five million, fifty-one thousand, one hundred".