23113603 has 2 divisors, whose sum is σ = 23113604. Its totient is φ = 23113602.

The previous prime is 23113589. The next prime is 23113639. The reversal of 23113603 is 30631132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23113603 is a prime.

It is not a weakly prime, because it can be changed into another prime (23113003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11556801 + 11556802.

It is an arithmetic number, because the mean of its divisors is an integer number (11556802).

Almost surely, 2^23113603 is an apocalyptic number.

23113603 is a deficient number, since it is larger than the sum of its proper divisors (1).

23113603 is an equidigital number, since it uses as much as digits as its factorization.

23113603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 23113603 is about 4807.6608657433. The cubic root of 23113603 is about 284.8541492363.

Adding to 23113603 its reverse (30631132), we get a palindrome (53744735).

It can be divided in two parts, 23113 and 603, that added together give a square (23716 = 154²).

The spelling of 23113603 in words is "twenty-three million, one hundred thirteen thousand, six hundred three".