1113243433 has 4 divisors (see below), whose sum is σ = 1115814868. Its totient is φ = 1110672000.

The previous prime is 1113243427. The next prime is 1113243451. The reversal of 1113243433 is 3343423111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3343423111 = 7 ⋅477631873.

It can be written as a sum of positive squares in 2 ways, for example, as 116704809 + 996538624 = 10803^2 + 31568^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113243433 - 2¹³ = 1113235241 is a prime.

It is a super-2 number, since 2×1113243433² = 2478621882235250978, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113243398 and 1113243407.

It is not an unprimeable number, because it can be changed into a prime (1113243413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1285068 + ... + 1285933.

It is an arithmetic number, because the mean of its divisors is an integer number (278953717).

Almost surely, 2^1113243433 is an apocalyptic number.

It is an amenable number.

1113243433 is a deficient number, since it is larger than the sum of its proper divisors (2571435).

1113243433 is an equidigital number, since it uses as much as digits as its factorization.

1113243433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571434.

The product of its digits is 2592, while the sum is 25.

The square root of 1113243433 is about 33365.3028309350. The cubic root of 1113243433 is about 1036.4063072526.

Adding to 1113243433 its reverse (3343423111), we get a palindrome (4456666544).

It can be divided in two parts, 11132 and 43433, that multiplied together give a triangular number (483496156 = T₃₁₀₉₆).

The spelling of 1113243433 in words is "one billion, one hundred thirteen million, two hundred forty-three thousand, four hundred thirty-three".