1123444401 has 8 divisors (see below), whose sum is σ = 1498181664. Its totient is φ = 748835040.

The previous prime is 1123444373. The next prime is 1123444423. The reversal of 1123444401 is 1044443211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1123444401 - 2¹⁷ = 1123313329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123444451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9151 + ... + 48276.

It is an arithmetic number, because the mean of its divisors is an integer number (187272708).

Almost surely, 2^1123444401 is an apocalyptic number.

It is an amenable number.

1123444401 is a deficient number, since it is larger than the sum of its proper divisors (374737263).

1123444401 is an equidigital number, since it uses as much as digits as its factorization.

1123444401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63951.

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

The square root of 1123444401 is about 33517.8221398706. The cubic root of 1123444401 is about 1039.5623161348.

Adding to 1123444401 its reverse (1044443211), we get a palindrome (2167887612).

The spelling of 1123444401 in words is "one billion, one hundred twenty-three million, four hundred forty-four thousand, four hundred one".