1123516304 has 20 divisors (see below), whose sum is σ = 2188097676. Its totient is φ = 558845952.

The previous prime is 1123516249. The next prime is 1123516307. The reversal of 1123516304 is 4036153211.

It can be written as a sum of positive squares in 2 ways, for example, as 465696400 + 657819904 = 21580^2 + 25648^2 .

It is not an unprimeable number, because it can be changed into a prime (1123516307) 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, 178829 + ... + 185004.

Almost surely, 2^1123516304 is an apocalyptic number.

It is an amenable number.

1123516304 is a deficient number, since it is larger than the sum of its proper divisors (1064581372).

1123516304 is a wasteful number, since it uses less digits than its factorization.

1123516304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364034 (or 364028 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1123516304 is about 33518.8947311811. The cubic root of 1123516304 is about 1039.5844937802.

Adding to 1123516304 its reverse (4036153211), we get a palindrome (5159669515).

The spelling of 1123516304 in words is "one billion, one hundred twenty-three million, five hundred sixteen thousand, three hundred four".