23290012 has 12 divisors (see below), whose sum is σ = 40817056. Its totient is φ = 11628000.

The previous prime is 23289997. The next prime is 23290013. The reversal of 23290012 is 21009232.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23290013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 873 + ... + 6880.

Almost surely, 2^23290012 is an apocalyptic number.

It is an amenable number.

23290012 is a deficient number, since it is larger than the sum of its proper divisors (17527044).

23290012 is a wasteful number, since it uses less digits than its factorization.

23290012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8508 (or 8506 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 23290012 is about 4825.9726480783. The cubic root of 23290012 is about 285.5770068609.

Adding to 23290012 its reverse (21009232), we get a palindrome (44299244).

The spelling of 23290012 in words is "twenty-three million, two hundred ninety thousand, twelve".