23138703 has 48 divisors (see below), whose sum is σ = 40441856. Its totient is φ = 12947040.

The previous prime is 23138701. The next prime is 23138707. The reversal of 23138703 is 30783132.

It is not a de Polignac number, because 23138703 - 2¹ = 23138701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23138701) 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 47 ways as a sum of consecutive naturals, for example, 103650 + ... + 103872.

Almost surely, 2^23138703 is an apocalyptic number.

23138703 is a deficient number, since it is larger than the sum of its proper divisors (17303153).

23138703 is an equidigital number, since it uses as much as digits as its factorization.

23138703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 23138703 is about 4810.2705745103. The cubic root of 23138703 is about 284.9572234968.

The spelling of 23138703 in words is "twenty-three million, one hundred thirty-eight thousand, seven hundred three".