23280117 has 32 divisors (see below), whose sum is σ = 37373952. Its totient is φ = 12602304.

The previous prime is 23280113. The next prime is 23280121. The reversal of 23280117 is 71108232.

It is an interprime number because it is at equal distance from previous prime (23280113) and next prime (23280121).

It is not a de Polignac number, because 23280117 - 2² = 23280113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23280113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75678 + ... + 75984.

It is an arithmetic number, because the mean of its divisors is an integer number (1167936).

Almost surely, 2^23280117 is an apocalyptic number.

It is an amenable number.

23280117 is a deficient number, since it is larger than the sum of its proper divisors (14093835).

23280117 is a wasteful number, since it uses less digits than its factorization.

23280117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 23280117 is about 4824.9473572258. The cubic root of 23280117 is about 285.5365576937.

Adding to 23280117 its reverse (71108232), we get a palindrome (94388349).

The spelling of 23280117 in words is "twenty-three million, two hundred eighty thousand, one hundred seventeen".