42300021000 has 128 divisors (see below), whose sum is σ = 132073493760. Its totient is φ = 11271680000.

The previous prime is 42300020957. The next prime is 42300021077. The reversal of 42300021000 is 12000324.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4798597 + ... + 4807403.

It is an arithmetic number, because the mean of its divisors is an integer number (1031824170).

Almost surely, 2^42300021000 is an apocalyptic number.

42300021000 is a gapful number since it is divisible by the number (40) 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 42300021000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66036746880).

42300021000 is an abundant number, since it is smaller than the sum of its proper divisors (89773472760).

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

42300021000 is a wasteful number, since it uses less digits than its factorization.

42300021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10432 (or 10418 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 42300021000 its reverse (12000324), we get a palindrome (42312021324).

The spelling of 42300021000 in words is "forty-two billion, three hundred million, twenty-one thousand".