23022012 has 48 divisors (see below), whose sum is σ = 61260192. Its totient is φ = 6666240.

The previous prime is 23022001. The next prime is 23022017. The reversal of 23022012 is 21022032.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23022017) 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, 1689 + ... + 6992.

It is an arithmetic number, because the mean of its divisors is an integer number (1276254).

Almost surely, 2^23022012 is an apocalyptic number.

It is an amenable number.

23022012 is an abundant number, since it is smaller than the sum of its proper divisors (38238180).

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

23022012 is a wasteful number, since it uses less digits than its factorization.

23022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8718 (or 8716 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 23022012 is about 4798.1258841343. The cubic root of 23022012 is about 284.4773925366.

Adding to 23022012 its reverse (21022032), we get a palindrome (44044044).

The spelling of 23022012 in words is "twenty-three million, twenty-two thousand, twelve".