23420512 has 24 divisors (see below), whose sum is σ = 47236392. Its totient is φ = 11424000.

The previous prime is 23420479. The next prime is 23420533. The reversal of 23420512 is 21502432.

It is a self number, because there is not a number n which added to its sum of digits gives 23420512.

It is a congruent number.

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, 7614 + ... + 10237.

It is an arithmetic number, because the mean of its divisors is an integer number (1968183).

Almost surely, 2^23420512 is an apocalyptic number.

It is an amenable number.

23420512 is an abundant number, since it is smaller than the sum of its proper divisors (23815880).

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

23420512 is a wasteful number, since it uses less digits than its factorization.

23420512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17902 (or 17894 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 23420512 is about 4839.4743516213. The cubic root of 23420512 is about 286.1094011509.

Adding to 23420512 its reverse (21502432), we get a palindrome (44922944).

It can be divided in two parts, 23420 and 512, that added together give a palindrome (23932).

The spelling of 23420512 in words is "twenty-three million, four hundred twenty thousand, five hundred twelve".