23120012 has 12 divisors (see below), whose sum is σ = 40612320. Its totient is φ = 11516496.

The previous prime is 23119973. The next prime is 23120029. The reversal of 23120012 is 21002132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23119975 and 23120002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9668 + ... + 11819.

It is an arithmetic number, because the mean of its divisors is an integer number (3384360).

Almost surely, 2^23120012 is an apocalyptic number.

It is an amenable number.

23120012 is a deficient number, since it is larger than the sum of its proper divisors (17492308).

23120012 is a wasteful number, since it uses less digits than its factorization.

23120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21760 (or 21758 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 23120012 is about 4808.3273599039. The cubic root of 23120012 is about 284.8804751699.

Adding to 23120012 its reverse (21002132), we get a palindrome (44122144).

The spelling of 23120012 in words is "twenty-three million, one hundred twenty thousand, twelve".