1123231034 has 4 divisors (see below), whose sum is σ = 1684846554. Its totient is φ = 561615516.

The previous prime is 1123231033. The next prime is 1123231049. The reversal of 1123231034 is 4301323211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4301323211 = 751 ⋅5727461.

It can be written as a sum of positive squares in only one way, i.e., 660335809 + 462895225 = 25697^2 + 21515^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1123230997 and 1123231015.

It is not an unprimeable number, because it can be changed into a prime (1123231033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280807757 + ... + 280807760.

Almost surely, 2^1123231034 is an apocalyptic number.

1123231034 is a deficient number, since it is larger than the sum of its proper divisors (561615520).

1123231034 is an equidigital number, since it uses as much as digits as its factorization.

1123231034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561615519.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1123231034 is about 33514.6390999515. The cubic root of 1123231034 is about 1039.4964999906.

Adding to 1123231034 its reverse (4301323211), we get a palindrome (5424554245).

The spelling of 1123231034 in words is "one billion, one hundred twenty-three million, two hundred thirty-one thousand, thirty-four".