144400121023 has 2 divisors, whose sum is σ = 144400121024. Its totient is φ = 144400121022.

The previous prime is 144400121009. The next prime is 144400121053. The reversal of 144400121023 is 320121004441.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144400121023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144400120985 and 144400121003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144400121053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72200060511 + 72200060512.

It is an arithmetic number, because the mean of its divisors is an integer number (72200060512).

Almost surely, 2^144400121023 is an apocalyptic number.

144400121023 is a deficient number, since it is larger than the sum of its proper divisors (1).

144400121023 is an equidigital number, since it uses as much as digits as its factorization.

144400121023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 144400121023 its reverse (320121004441), we get a palindrome (464521125464).

The spelling of 144400121023 in words is "one hundred forty-four billion, four hundred million, one hundred twenty-one thousand, twenty-three".