1123564464 has 60 divisors (see below), whose sum is σ = 3430281192. Its totient is φ = 340473600.

The previous prime is 1123564457. The next prime is 1123564511. The reversal of 1123564464 is 4644653211.

1123564464 is a `hidden beast` number, since 1 + 1 + 2 + 3 + 5 + 644 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 353077 + ... + 356244.

Almost surely, 2^1123564464 is an apocalyptic number.

It is an amenable number.

1123564464 is an abundant number, since it is smaller than the sum of its proper divisors (2306716728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123564464 is a wasteful number, since it uses less digits than its factorization.

1123564464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709346 (or 709337 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 1123564464 is about 33519.6131242591. The cubic root of 1123564464 is about 1039.5993476438.

The spelling of 1123564464 in words is "one billion, one hundred twenty-three million, five hundred sixty-four thousand, four hundred sixty-four".