23707242 has 40 divisors (see below), whose sum is σ = 57213156. Its totient is φ = 7293888.

The previous prime is 23707237. The next prime is 23707247. The reversal of 23707242 is 24270732.

It is an interprime number because it is at equal distance from previous prime (23707237) and next prime (23707247).

It can be written as a sum of positive squares in 2 ways, for example, as 23707161 + 81 = 4869^2 + 9^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (23707247) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3523 + ... + 7734.

Almost surely, 2^23707242 is an apocalyptic number.

23707242 is an abundant number, since it is smaller than the sum of its proper divisors (33505914).

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

23707242 is a wasteful number, since it uses less digits than its factorization.

23707242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11284 (or 11275 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 23707242 is about 4869.0083179227. The cubic root of 23707242 is about 287.2722511378.

Adding to 23707242 its reverse (24270732), we get a palindrome (47977974).

The spelling of 23707242 in words is "twenty-three million, seven hundred seven thousand, two hundred forty-two".