113203263 has 16 divisors (see below), whose sum is σ = 157754880. Its totient is φ = 72070944.

The previous prime is 113203261. The next prime is 113203271. The reversal of 113203263 is 362302311.

It is not a de Polignac number, because 113203263 - 2¹ = 113203261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113203261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66993 + ... + 68661.

It is an arithmetic number, because the mean of its divisors is an integer number (9859680).

Almost surely, 2^113203263 is an apocalyptic number.

113203263 is a deficient number, since it is larger than the sum of its proper divisors (44551617).

113203263 is a wasteful number, since it uses less digits than its factorization.

113203263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 113203263 is about 10639.7022044792. The cubic root of 113203263 is about 483.7485189814.

Adding to 113203263 its reverse (362302311), we get a palindrome (475505574).

The spelling of 113203263 in words is "one hundred thirteen million, two hundred three thousand, two hundred sixty-three".