23430012 has 48 divisors (see below), whose sum is σ = 59254272. Its totient is φ = 7176960.

The previous prime is 23429993. The next prime is 23430013. The reversal of 23430012 is 21003432.

It is a junction number, because it is equal to n+sod(n) for n = 23429973 and 23430000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23430013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7437 + ... + 10107.

It is an arithmetic number, because the mean of its divisors is an integer number (1234464).

Almost surely, 2^23430012 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 23430012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29627136).

23430012 is an abundant number, since it is smaller than the sum of its proper divisors (35824260).

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

23430012 is a wasteful number, since it uses less digits than its factorization.

23430012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2738 (or 2736 counting only the distinct ones).

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

The square root of 23430012 is about 4840.4557636652. The cubic root of 23430012 is about 286.1480805201.

Adding to 23430012 its reverse (21003432), we get a palindrome (44433444).

The spelling of 23430012 in words is "twenty-three million, four hundred thirty thousand, twelve".