23130645 has 8 divisors (see below), whose sum is σ = 37009056. Its totient is φ = 12336336.

The previous prime is 23130643. The next prime is 23130649. The reversal of 23130645 is 54603132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23130645 - 2¹ = 23130643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771007 + ... + 771036.

It is an arithmetic number, because the mean of its divisors is an integer number (4626132).

Almost surely, 2^23130645 is an apocalyptic number.

It is an amenable number.

23130645 is a deficient number, since it is larger than the sum of its proper divisors (13878411).

23130645 is a wasteful number, since it uses less digits than its factorization.

23130645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542051.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 23130645 is about 4809.4329187546. The cubic root of 23130645 is about 284.9241410907.

Adding to 23130645 its reverse (54603132), we get a palindrome (77733777).

It can be divided in two parts, 231 and 30645, that added together give a triangular number (30876 = T₂₄₈).

The spelling of 23130645 in words is "twenty-three million, one hundred thirty thousand, six hundred forty-five".