1244122023123 has 32 divisors (see below), whose sum is σ = 2230358814720. Its totient is φ = 669107640960.

The previous prime is 1244122023119. The next prime is 1244122023169. The reversal of 1244122023123 is 3213202214421.

1244122023123 is a `hidden beast` number, since 1 + 2 + 441 + 2 + 202 + 3 + 12 + 3 = 666.

It is not a de Polignac number, because 1244122023123 - 2² = 1244122023119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1244122023223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193604323 + ... + 193610748.

It is an arithmetic number, because the mean of its divisors is an integer number (69698712960).

Almost surely, 2^{1244122023123} is an apocalyptic number.

1244122023123 is a deficient number, since it is larger than the sum of its proper divisors (986236791597).

1244122023123 is a wasteful number, since it uses less digits than its factorization.

1244122023123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387215104 (or 387215098 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1244122023123 its reverse (3213202214421), we get a palindrome (4457324237544).

The spelling of 1244122023123 in words is "one trillion, two hundred forty-four billion, one hundred twenty-two million, twenty-three thousand, one hundred twenty-three".