23002812 has 48 divisors (see below), whose sum is σ = 68158720. Its totient is φ = 6572016.

The previous prime is 23002801. The next prime is 23002817. The reversal of 23002812 is 21820032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23002817) 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, 14458 + ... + 15969.

Almost surely, 2^23002812 is an apocalyptic number.

It is an amenable number.

23002812 is an abundant number, since it is smaller than the sum of its proper divisors (45155908).

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

23002812 is a wasteful number, since it uses less digits than its factorization.

23002812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30447 (or 30439 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 23002812 is about 4796.1246856186. The cubic root of 23002812 is about 284.3982873012.

Adding to 23002812 its reverse (21820032), we get a palindrome (44822844).

The spelling of 23002812 in words is "twenty-three million, two thousand, eight hundred twelve".