1123401444 has 24 divisors (see below), whose sum is σ = 2859567648. Its totient is φ = 340424640.

The previous prime is 1123401413. The next prime is 1123401457. The reversal of 1123401444 is 4441043211.

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, 4255177 + ... + 4255440.

It is an arithmetic number, because the mean of its divisors is an integer number (119148652).

Almost surely, 2^1123401444 is an apocalyptic number.

It is an amenable number.

1123401444 is an abundant number, since it is smaller than the sum of its proper divisors (1736166204).

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

1123401444 is a wasteful number, since it uses less digits than its factorization.

1123401444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8510635 (or 8510633 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1123401444 is about 33517.1813254038. The cubic root of 1123401444 is about 1039.5490660955.

Adding to 1123401444 its reverse (4441043211), we get a palindrome (5564444655).

The spelling of 1123401444 in words is "one billion, one hundred twenty-three million, four hundred one thousand, four hundred forty-four".