23040124212 has 24 divisors (see below), whose sum is σ = 61440331456. Its totient is φ = 6582892608.

The previous prime is 23040124207. The next prime is 23040124229. The reversal of 23040124212 is 21242104032.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137143513 + ... + 137143680.

Almost surely, 2^23040124212 is an apocalyptic number.

It is an amenable number.

23040124212 is an abundant number, since it is smaller than the sum of its proper divisors (38400207244).

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

23040124212 is a wasteful number, since it uses less digits than its factorization.

23040124212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274287207 (or 274287205 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 23040124212 its reverse (21242104032), we get a palindrome (44282228244).

The spelling of 23040124212 in words is "twenty-three billion, forty million, one hundred twenty-four thousand, two hundred twelve".