23140503 has 12 divisors (see below), whose sum is σ = 34329048. Its totient is φ = 15009840.

The previous prime is 23140501. The next prime is 23140531. The reversal of 23140503 is 30504132.

23140503 is a `hidden beast` number, since 23 + 140 + 503 = 666.

It is not a de Polignac number, because 23140503 - 2¹ = 23140501 is a prime.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34413 + ... + 35078.

It is an arithmetic number, because the mean of its divisors is an integer number (2860754).

Almost surely, 2^23140503 is an apocalyptic number.

23140503 is a deficient number, since it is larger than the sum of its proper divisors (11188545).

23140503 is a wasteful number, since it uses less digits than its factorization.

23140503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69534 (or 69531 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 23140503 is about 4810.4576705341. The cubic root of 23140503 is about 284.9646124114.

Adding to 23140503 its reverse (30504132), we get a palindrome (53644635).

The spelling of 23140503 in words is "twenty-three million, one hundred forty thousand, five hundred three".