23867361 has 18 divisors (see below), whose sum is σ = 40104402. Its totient is φ = 13638240.

The previous prime is 23867359. The next prime is 23867387. The reversal of 23867361 is 16376832.

It is a happy number.

23867361 is a `hidden beast` number, since 238 + 67 + 361 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12006225 + 11861136 = 3465^2 + 3444^2 .

It is not a de Polignac number, because 23867361 - 2¹ = 23867359 is a prime.

It is a super-2 number, since 2×23867361² = 1139301842208642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23867341) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 26620 + ... + 27501.

Almost surely, 2^23867361 is an apocalyptic number.

23867361 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23867361 is a deficient number, since it is larger than the sum of its proper divisors (16237041).

23867361 is a wasteful number, since it uses less digits than its factorization.

23867361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54141 (or 54131 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 23867361 is about 4885.4233184034. The cubic root of 23867361 is about 287.9175472877.

The spelling of 23867361 in words is "twenty-three million, eight hundred sixty-seven thousand, three hundred sixty-one".