23113503 has 12 divisors (see below), whose sum is σ = 38155728. Its totient is φ = 13207680.

The previous prime is 23113501. The next prime is 23113513. The reversal of 23113503 is 30531132.

23113503 is a `hidden beast` number, since 2 + 311 + 350 + 3 = 666.

It is not a de Polignac number, because 23113503 - 2¹ = 23113501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23113501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183378 + ... + 183503.

It is an arithmetic number, because the mean of its divisors is an integer number (3179644).

Almost surely, 2^23113503 is an apocalyptic number.

23113503 is a deficient number, since it is larger than the sum of its proper divisors (15042225).

23113503 is a wasteful number, since it uses less digits than its factorization.

23113503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366894 (or 366891 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 23113503 is about 4807.6504656641. The cubic root of 23113503 is about 284.8537384327.

Adding to 23113503 its reverse (30531132), we get a palindrome (53644635).

It can be divided in two parts, 23 and 113503, that added together give a triangular number (113526 = T₄₇₆).

The spelling of 23113503 in words is "twenty-three million, one hundred thirteen thousand, five hundred three".