23500146 has 8 divisors (see below), whose sum is σ = 47000304. Its totient is φ = 7833380.

The previous prime is 23500133. The next prime is 23500157. The reversal of 23500146 is 64100532.

It is a happy number.

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

23500146 is an admirable number.

It is a super-3 number, since 3×23500146³ (a number of 23 digits) contains 333 as substring.

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, 1958340 + ... + 1958351.

It is an arithmetic number, because the mean of its divisors is an integer number (5875038).

Almost surely, 2^23500146 is an apocalyptic number.

23500146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23500146 is a wasteful number, since it uses less digits than its factorization.

23500146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3916696.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 23500146 is about 4847.6949161431. The cubic root of 23500146 is about 286.4333089777.

Adding to 23500146 its reverse (64100532), we get a palindrome (87600678).

The spelling of 23500146 in words is "twenty-three million, five hundred thousand, one hundred forty-six".