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23163361 = 1310317299
BaseRepresentation
bin101100001011…
…1000111100001
31121120211011021
41120113013201
521412211421
62144245441
7400612444
oct130270741
947524137
1023163361
1112090a81
127910881
134a50240
14310d65b
152078341
hex16171e1

23163361 has 8 divisors (see below), whose sum is σ = 25188800. Its totient is φ = 21172752.

The previous prime is 23163359. The next prime is 23163383. The reversal of 23163361 is 16336132.

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 23163361 - 21 = 23163359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23163311) 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, 7311 + ... + 9988.

It is an arithmetic number, because the mean of its divisors is an integer number (3148600).

Almost surely, 223163361 is an apocalyptic number.

It is an amenable number.

23163361 is a deficient number, since it is larger than the sum of its proper divisors (2025439).

23163361 is a wasteful number, since it uses less digits than its factorization.

23163361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17415.

The product of its digits is 1944, while the sum is 25.

The square root of 23163361 is about 4812.8329495215. The cubic root of 23163361 is about 285.0584101068.

Adding to 23163361 its reverse (16336132), we get a palindrome (39499493).

The spelling of 23163361 in words is "twenty-three million, one hundred sixty-three thousand, three hundred sixty-one".

Divisors: 1 13 103 1339 17299 224887 1781797 23163361