23340012 has 48 divisors (see below), whose sum is σ = 57576960. Its totient is φ = 7346752.

The previous prime is 23340011. The next prime is 23340019. The reversal of 23340012 is 21004332.

It is a junction number, because it is equal to n+sod(n) for n = 23339973 and 23340000.

It is not an unprimeable number, because it can be changed into a prime (23340011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15643 + ... + 17069.

It is an arithmetic number, because the mean of its divisors is an integer number (1199520).

Almost surely, 2^23340012 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 23340012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28788480).

23340012 is an abundant number, since it is smaller than the sum of its proper divisors (34236948).

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

23340012 is a wasteful number, since it uses less digits than its factorization.

23340012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510 (or 1508 counting only the distinct ones).

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

The square root of 23340012 is about 4831.1501736129. The cubic root of 23340012 is about 285.7812237925.

Adding to 23340012 its reverse (21004332), we get a palindrome (44344344).

The spelling of 23340012 in words is "twenty-three million, three hundred forty thousand, twelve".