23161327 has 18 divisors (see below), whose sum is σ = 28383992. Its totient is φ = 18510144.

The previous prime is 23161319. The next prime is 23161331. The reversal of 23161327 is 72316132.

It is not a de Polignac number, because 23161327 - 2³ = 23161319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23161337) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 216408 + ... + 216514.

Almost surely, 2^23161327 is an apocalyptic number.

23161327 is a deficient number, since it is larger than the sum of its proper divisors (5222665).

23161327 is an equidigital number, since it uses as much as digits as its factorization.

23161327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 131 counting only the distinct ones).

The product of its digits is 1512, while the sum is 25.

The square root of 23161327 is about 4812.6216348265. The cubic root of 23161327 is about 285.0500660992.

Adding to 23161327 its reverse (72316132), we get a palindrome (95477459).

The spelling of 23161327 in words is "twenty-three million, one hundred sixty-one thousand, three hundred twenty-seven".