1113230343 has 4 divisors (see below), whose sum is σ = 1484307128. Its totient is φ = 742153560.

The previous prime is 1113230309. The next prime is 1113230357. The reversal of 1113230343 is 3430323111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3430323111 = 3 ⋅1143441037.

It is a de Polignac number, because none of the positive numbers 2^k-1113230343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113230543) 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, 185538388 + ... + 185538393.

It is an arithmetic number, because the mean of its divisors is an integer number (371076782).

Almost surely, 2^1113230343 is an apocalyptic number.

1113230343 is a deficient number, since it is larger than the sum of its proper divisors (371076785).

1113230343 is an equidigital number, since it uses as much as digits as its factorization.

1113230343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371076784.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1113230343 is about 33365.1066684943. The cubic root of 1113230343 is about 1036.4022450648.

Adding to 1113230343 its reverse (3430323111), we get a palindrome (4543553454).

The spelling of 1113230343 in words is "one billion, one hundred thirteen million, two hundred thirty thousand, three hundred forty-three".