1223244231001 has 4 divisors (see below), whose sum is σ = 1317339941092. Its totient is φ = 1129148520912.

The previous prime is 1223244230993. The next prime is 1223244231031. The reversal of 1223244231001 is 1001324423221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 317587475401 + 905656755600 = 563549^2 + 951660^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223244231001 - 2³ = 1223244230993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223244231031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47047855026 + ... + 47047855051.

It is an arithmetic number, because the mean of its divisors is an integer number (329334985273).

Almost surely, 2^{1223244231001} is an apocalyptic number.

It is an amenable number.

1223244231001 is a deficient number, since it is larger than the sum of its proper divisors (94095710091).

1223244231001 is an equidigital number, since it uses as much as digits as its factorization.

1223244231001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94095710090.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1223244231001 its reverse (1001324423221), we get a palindrome (2224568654222).

The spelling of 1223244231001 in words is "one trillion, two hundred twenty-three billion, two hundred forty-four million, two hundred thirty-one thousand, one".