23740212 has 24 divisors (see below), whose sum is σ = 57304800. Its totient is φ = 7640416.

The previous prime is 23740207. The next prime is 23740231. The reversal of 23740212 is 21204732.

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, 33762 + ... + 34457.

It is an arithmetic number, because the mean of its divisors is an integer number (2387700).

Almost surely, 2^23740212 is an apocalyptic number.

It is an amenable number.

23740212 is an abundant number, since it is smaller than the sum of its proper divisors (33564588).

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

23740212 is a wasteful number, since it uses less digits than its factorization.

23740212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68255 (or 68253 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 23740212 is about 4872.3928413050. The cubic root of 23740212 is about 287.4053606585.

Adding to 23740212 its reverse (21204732), we get a palindrome (44944944).

The spelling of 23740212 in words is "twenty-three million, seven hundred forty thousand, two hundred twelve".