23280367 has 4 divisors (see below), whose sum is σ = 25396776. Its totient is φ = 21163960.

The previous prime is 23280331. The next prime is 23280371. The reversal of 23280367 is 76308232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23280367 - 2¹⁵ = 23247599 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23280307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1058188 + ... + 1058209.

It is an arithmetic number, because the mean of its divisors is an integer number (6349194).

Almost surely, 2^23280367 is an apocalyptic number.

23280367 is a deficient number, since it is larger than the sum of its proper divisors (2116409).

23280367 is a wasteful number, since it uses less digits than its factorization.

23280367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116408.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 23280367 is about 4824.9732641746. The cubic root of 23280367 is about 285.5375797946.

Adding to 23280367 its reverse (76308232), we get a palindrome (99588599).

The spelling of 23280367 in words is "twenty-three million, two hundred eighty thousand, three hundred sixty-seven".