1123445464 has 32 divisors (see below), whose sum is σ = 2135357280. Its totient is φ = 554056704.

The previous prime is 1123445443. The next prime is 1123445483. The reversal of 1123445464 is 4645443211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243709 + ... + 248275.

It is an arithmetic number, because the mean of its divisors is an integer number (66729915).

Almost surely, 2^1123445464 is an apocalyptic number.

It is an amenable number.

1123445464 is a deficient number, since it is larger than the sum of its proper divisors (1011911816).

1123445464 is a wasteful number, since it uses less digits than its factorization.

1123445464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4987 (or 4983 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The square root of 1123445464 is about 33517.8379971024. The cubic root of 1123445464 is about 1039.5626440117.

Adding to 1123445464 its reverse (4645443211), we get a palindrome (5768888675).

The spelling of 1123445464 in words is "one billion, one hundred twenty-three million, four hundred forty-five thousand, four hundred sixty-four".