11381233 has 2 divisors, whose sum is σ = 11381234. Its totient is φ = 11381232.

The previous prime is 11381221. The next prime is 11381261. The reversal of 11381233 is 33218311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5702544 + 5678689 = 2388^2 + 2383^2 .

It is a cyclic number.

It is not a de Polignac number, because 11381233 - 2¹³ = 11373041 is a prime.

It is not a weakly prime, because it can be changed into another prime (11381203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5690616 + 5690617.

It is an arithmetic number, because the mean of its divisors is an integer number (5690617).

Almost surely, 2^11381233 is an apocalyptic number.

It is an amenable number.

11381233 is a deficient number, since it is larger than the sum of its proper divisors (1).

11381233 is an equidigital number, since it uses as much as digits as its factorization.

11381233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 22.

The square root of 11381233 is about 3373.6083056573. The cubic root of 11381233 is about 224.9381426664.

Adding to 11381233 its reverse (33218311), we get a palindrome (44599544).

The spelling of 11381233 in words is "eleven million, three hundred eighty-one thousand, two hundred thirty-three".