23130542 has 8 divisors (see below), whose sum is σ = 34791456. Its totient is φ = 11533392.

The previous prime is 23130521. The next prime is 23130553. The reversal of 23130542 is 24503132.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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, 15023 + ... + 16490.

It is an arithmetic number, because the mean of its divisors is an integer number (4348932).

Almost surely, 2^23130542 is an apocalyptic number.

23130542 is a deficient number, since it is larger than the sum of its proper divisors (11660914).

23130542 is a wasteful number, since it uses less digits than its factorization.

23130542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31882.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 23130542 is about 4809.4222106195. The cubic root of 23130542 is about 284.9237181708.

Adding to 23130542 its reverse (24503132), we get a palindrome (47633674).

The spelling of 23130542 in words is "twenty-three million, one hundred thirty thousand, five hundred forty-two".