1123476444 has 18 divisors (see below), whose sum is σ = 2839898880. Its totient is φ = 374492136.

The previous prime is 1123476427. The next prime is 1123476451. The reversal of 1123476444 is 4446743211.

1123476444 is a `hidden beast` number, since 1 + 1 + 2 + 3 + 4 + 7 + 644 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 31207679 = 1123476444 / (1 + 1 + 2 + 3 + 4 + 7 + 6 + 4 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 1123476399 and 1123476408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15603804 + ... + 15603875.

It is an arithmetic number, because the mean of its divisors is an integer number (157772160).

Almost surely, 2^1123476444 is an apocalyptic number.

It is an amenable number.

1123476444 is an abundant number, since it is smaller than the sum of its proper divisors (1716422436).

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

1123476444 is a wasteful number, since it uses less digits than its factorization.

1123476444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31207689 (or 31207684 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 1123476444 is about 33518.3001358959. The cubic root of 1123476444 is about 1039.5721995430.

It can be divided in two parts, 11234 and 76444, that added together give a palindrome (87678).

The spelling of 1123476444 in words is "one billion, one hundred twenty-three million, four hundred seventy-six thousand, four hundred forty-four".