11523073 has 2 divisors, whose sum is σ = 11523074. Its totient is φ = 11523072.

The previous prime is 11523067. The next prime is 11523077. The reversal of 11523073 is 37032511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10870209 + 652864 = 3297^2 + 808^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11523073 is a prime.

It is a super-2 number, since 2×11523073² = 265562422726658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11523077) 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 as a sum of consecutive naturals, namely, 5761536 + 5761537.

It is an arithmetic number, because the mean of its divisors is an integer number (5761537).

Almost surely, 2^11523073 is an apocalyptic number.

It is an amenable number.

11523073 is a deficient number, since it is larger than the sum of its proper divisors (1).

11523073 is an equidigital number, since it uses as much as digits as its factorization.

11523073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 11523073 is about 3394.5652151638. The cubic root of 11523073 is about 225.8687271163.

Adding to 11523073 its reverse (37032511), we get a palindrome (48555584).

It can be divided in two parts, 1152 and 3073, that added together give a square (4225 = 65²).

The spelling of 11523073 in words is "eleven million, five hundred twenty-three thousand, seventy-three".