23280073 has 8 divisors (see below), whose sum is σ = 24580800. Its totient is φ = 21986928.

The previous prime is 23280053. The next prime is 23280077. The reversal of 23280073 is 37008232.

It is a happy number.

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 23280073 - 2⁵ = 23280041 is a prime.

It is a super-3 number, since 3×23280073³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23280077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5115 + ... + 8527.

It is an arithmetic number, because the mean of its divisors is an integer number (3072600).

Almost surely, 2^23280073 is an apocalyptic number.

It is an amenable number.

23280073 is a deficient number, since it is larger than the sum of its proper divisors (1300727).

23280073 is a wasteful number, since it uses less digits than its factorization.

23280073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3791.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 23280073 is about 4824.9427975884. The cubic root of 23280073 is about 285.5363778032.

The spelling of 23280073 in words is "twenty-three million, two hundred eighty thousand, seventy-three".