23140504 has 8 divisors (see below), whose sum is σ = 43388460. Its totient is φ = 11570248.

The previous prime is 23140501. The next prime is 23140531. The reversal of 23140504 is 40504132.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23140501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1446274 + ... + 1446289.

Almost surely, 2^23140504 is an apocalyptic number.

It is an amenable number.

23140504 is a deficient number, since it is larger than the sum of its proper divisors (20247956).

23140504 is a wasteful number, since it uses less digits than its factorization.

23140504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2892569 (or 2892565 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 23140504 is about 4810.4577744743. The cubic root of 23140504 is about 284.9646165162.

Adding to 23140504 its reverse (40504132), we get a palindrome (63644636).

The spelling of 23140504 in words is "twenty-three million, one hundred forty thousand, five hundred four".