23421012 has 24 divisors (see below), whose sum is σ = 55020000. Its totient is φ = 7754016.

The previous prime is 23421001. The next prime is 23421017. The reversal of 23421012 is 21012432.

It is a junction number, because it is equal to n+sod(n) for n = 23420982 and 23421000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23421017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4762 + ... + 8337.

It is an arithmetic number, because the mean of its divisors is an integer number (2292500).

Almost surely, 2^23421012 is an apocalyptic number.

It is an amenable number.

23421012 is an abundant number, since it is smaller than the sum of its proper divisors (31598988).

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

23421012 is a wasteful number, since it uses less digits than its factorization.

23421012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13255 (or 13253 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 23421012 is about 4839.5260098485. The cubic root of 23421012 is about 286.1114371679. Note that the first 3 decimals are identical.

Adding to 23421012 its reverse (21012432), we get a palindrome (44433444).

The spelling of 23421012 in words is "twenty-three million, four hundred twenty-one thousand, twelve".