23251146 has 16 divisors (see below), whose sum is σ = 46550784. Its totient is φ = 7742304.

The previous prime is 23251097. The next prime is 23251159. The reversal of 23251146 is 64115232.

It is an unprimeable number.

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, 8166 + ... + 10638.

It is an arithmetic number, because the mean of its divisors is an integer number (2909424).

Almost surely, 2^23251146 is an apocalyptic number.

23251146 is an abundant number, since it is smaller than the sum of its proper divisors (23299638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23251146 is a wasteful number, since it uses less digits than its factorization.

23251146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4045.

The product of its digits is 1440, while the sum is 24.

The square root of 23251146 is about 4821.9442136964. The cubic root of 23251146 is about 285.4180629646.

Adding to 23251146 its reverse (64115232), we get a palindrome (87366378).

The spelling of 23251146 in words is "twenty-three million, two hundred fifty-one thousand, one hundred forty-six".