23021012 has 24 divisors (see below), whose sum is σ = 47631360. Its totient is φ = 9525600.

The previous prime is 23020997. The next prime is 23021029. The reversal of 23021012 is 21012032.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23020984 and 23021002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13364 + ... + 14987.

It is an arithmetic number, because the mean of its divisors is an integer number (1984640).

Almost surely, 2^23021012 is an apocalyptic number.

It is an amenable number.

23021012 is an abundant number, since it is smaller than the sum of its proper divisors (24610348).

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

23021012 is a wasteful number, since it uses less digits than its factorization.

23021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28391 (or 28389 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 23021012 is about 4798.0216756492. The cubic root of 23021012 is about 284.4732735582.

Adding to 23021012 its reverse (21012032), we get a palindrome (44033044).

The spelling of 23021012 in words is "twenty-three million, twenty-one thousand, twelve".