1203344011423 has 2 divisors, whose sum is σ = 1203344011424. Its totient is φ = 1203344011422.

The previous prime is 1203344011361. The next prime is 1203344011451. The reversal of 1203344011423 is 3241104433021.

It is a happy number.

It is an a-pointer prime, because the next prime (1203344011451) can be obtained adding 1203344011423 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1203344011423 - 2³⁷ = 1065905057951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1203344011391 and 1203344011400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203344011453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601672005711 + 601672005712.

It is an arithmetic number, because the mean of its divisors is an integer number (601672005712).

Almost surely, 2^{1203344011423} is an apocalyptic number.

1203344011423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203344011423 is an equidigital number, since it uses as much as digits as its factorization.

1203344011423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1203344011423 its reverse (3241104433021), we get a palindrome (4444448444444).

The spelling of 1203344011423 in words is "one trillion, two hundred three billion, three hundred forty-four million, eleven thousand, four hundred twenty-three".