1112312233 has 2 divisors, whose sum is σ = 1112312234. Its totient is φ = 1112312232.

The previous prime is 1112312213. The next prime is 1112312237. The reversal of 1112312233 is 3322132111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 654694569 + 457617664 = 25587^2 + 21392^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112312233 - 2¹³ = 1112304041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1112312233.

It is not a weakly prime, because it can be changed into another prime (1112312237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556156116 + 556156117.

It is an arithmetic number, because the mean of its divisors is an integer number (556156117).

Almost surely, 2^1112312233 is an apocalyptic number.

It is an amenable number.

1112312233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112312233 is an equidigital number, since it uses as much as digits as its factorization.

1112312233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 19.

The square root of 1112312233 is about 33351.3452952051. The cubic root of 1112312233 is about 1036.1172507461.

Adding to 1112312233 its reverse (3322132111), we get a palindrome (4434444344).

The spelling of 1112312233 in words is "one billion, one hundred twelve million, three hundred twelve thousand, two hundred thirty-three".