23140304 has 20 divisors (see below), whose sum is σ = 48910560. Its totient is φ = 10518240.

The previous prime is 23140283. The next prime is 23140319. The reversal of 23140304 is 40304132.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 65564 + ... + 65915.

It is an arithmetic number, because the mean of its divisors is an integer number (2445528).

Almost surely, 2^23140304 is an apocalyptic number.

It is an amenable number.

23140304 is an abundant number, since it is smaller than the sum of its proper divisors (25770256).

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

23140304 is a wasteful number, since it uses less digits than its factorization.

23140304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131498 (or 131492 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 23140304 is about 4810.4369863870. The cubic root of 23140304 is about 284.9637955447.

Adding to 23140304 its reverse (40304132), we get a palindrome (63444436).

The spelling of 23140304 in words is "twenty-three million, one hundred forty thousand, three hundred four".