30423012000 has 192 divisors, whose sum is σ = 99974818944. Its totient is φ = 8087654400.

The previous prime is 30423011987. The next prime is 30423012007. The reversal of 30423012000 is 21032403.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (30423012007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4040239 + ... + 4047761.

It is an arithmetic number, because the mean of its divisors is an integer number (520702182).

Almost surely, 2^30423012000 is an apocalyptic number.

30423012000 is a gapful number since it is divisible by the number (30) 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 30423012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49987409472).

30423012000 is an abundant number, since it is smaller than the sum of its proper divisors (69551806944).

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

30423012000 is a wasteful number, since it uses less digits than its factorization.

30423012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7888 (or 7870 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 30423012000 its reverse (21032403), we get a palindrome (30444044403).

The spelling of 30423012000 in words is "thirty billion, four hundred twenty-three million, twelve thousand".