23278367 has 8 divisors (see below), whose sum is σ = 26848800. Its totient is φ = 19769184.

The previous prime is 23278327. The next prime is 23278373. The reversal of 23278367 is 76387232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23278367 - 2¹⁴ = 23261983 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23278367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23278327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14492 + ... + 16017.

It is an arithmetic number, because the mean of its divisors is an integer number (3356100).

Almost surely, 2^23278367 is an apocalyptic number.

23278367 is a deficient number, since it is larger than the sum of its proper divisors (3570433).

23278367 is a wasteful number, since it uses less digits than its factorization.

23278367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30625.

The product of its digits is 84672, while the sum is 38.

The square root of 23278367 is about 4824.7660046887. The cubic root of 23278367 is about 285.5294027827.

The spelling of 23278367 in words is "twenty-three million, two hundred seventy-eight thousand, three hundred sixty-seven".