23130361 has 4 divisors (see below), whose sum is σ = 23247972. Its totient is φ = 23012752.

The previous prime is 23130347. The next prime is 23130377. The reversal of 23130361 is 16303132.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21678336 + 1452025 = 4656^2 + 1205^2 .

It is not a de Polignac number, because 23130361 - 2¹⁵ = 23097593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23130461) 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 3 ways as a sum of consecutive naturals, for example, 58510 + ... + 58903.

It is an arithmetic number, because the mean of its divisors is an integer number (5811993).

Almost surely, 2^23130361 is an apocalyptic number.

It is an amenable number.

23130361 is a deficient number, since it is larger than the sum of its proper divisors (117611).

23130361 is a wasteful number, since it uses less digits than its factorization.

23130361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117610.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 23130361 is about 4809.4033933535. The cubic root of 23130361 is about 284.9229749784.

Adding to 23130361 its reverse (16303132), we get a palindrome (39433493).

The spelling of 23130361 in words is "twenty-three million, one hundred thirty thousand, three hundred sixty-one".