23130386 has 4 divisors (see below), whose sum is σ = 34695582. Its totient is φ = 11565192.

The previous prime is 23130379. The next prime is 23130389. The reversal of 23130386 is 68303132.

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

It can be written as a sum of positive squares in only one way, i.e., 21390625 + 1739761 = 4625^2 + 1319^2 .

It is not an unprimeable number, because it can be changed into a prime (23130389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5782595 + ... + 5782598.

Almost surely, 2^23130386 is an apocalyptic number.

23130386 is a deficient number, since it is larger than the sum of its proper divisors (11565196).

23130386 is a wasteful number, since it uses less digits than its factorization.

23130386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11565195.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 23130386 is about 4809.4059924278. The cubic root of 23130386 is about 284.9230776295.

The spelling of 23130386 in words is "twenty-three million, one hundred thirty thousand, three hundred eighty-six".