23869242 has 20 divisors (see below), whose sum is σ = 53485146. Its totient is φ = 7956360.

The previous prime is 23869201. The next prime is 23869247. The reversal of 23869242 is 24296832.

It can be written as a sum of positive squares in only one way, i.e., 20331081 + 3538161 = 4509^2 + 1881^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23869197 and 23869206.

It is not an unprimeable number, because it can be changed into a prime (23869247) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 73509 + ... + 73832.

Almost surely, 2^23869242 is an apocalyptic number.

23869242 is an abundant number, since it is smaller than the sum of its proper divisors (29615904).

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

23869242 is a wasteful number, since it uses less digits than its factorization.

23869242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147355 (or 147346 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 23869242 is about 4885.6158260756. The cubic root of 23869242 is about 287.9251107364.

It can be divided in two parts, 2386 and 9242, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 23869242 in words is "twenty-three million, eight hundred sixty-nine thousand, two hundred forty-two".