1123423143001 has 8 divisors (see below), whose sum is σ = 1162173990600. Its totient is φ = 1084673103360.

The previous prime is 1123423142987. The next prime is 1123423143019. The reversal of 1123423143001 is 1003413243211.

It can be written as a sum of positive squares in 4 ways, for example, as 21301110601 + 1102122032400 = 145949^2 + 1049820^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1123423143001 - 2⁵ = 1123423142969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123423143071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4418935 + ... + 4666243.

It is an arithmetic number, because the mean of its divisors is an integer number (145271748825).

Almost surely, 2^{1123423143001} is an apocalyptic number.

It is an amenable number.

1123423143001 is a deficient number, since it is larger than the sum of its proper divisors (38750847599).

1123423143001 is a wasteful number, since it uses less digits than its factorization.

1123423143001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403979.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1123423143001 its reverse (1003413243211), we get a palindrome (2126836386212).

The spelling of 1123423143001 in words is "one trillion, one hundred twenty-three billion, four hundred twenty-three million, one hundred forty-three thousand, one".