1200100323473 has 2 divisors, whose sum is σ = 1200100323474. Its totient is φ = 1200100323472.

The previous prime is 1200100323419. The next prime is 1200100323493. The reversal of 1200100323473 is 3743230010021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1157973992464 + 42126331009 = 1076092^2 + 205247^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200100323473 - 2²⁰ = 1200099274897 is a prime.

It is not a weakly prime, because it can be changed into another prime (1200100323493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600050161736 + 600050161737.

It is an arithmetic number, because the mean of its divisors is an integer number (600050161737).

Almost surely, 2^{1200100323473} is an apocalyptic number.

It is an amenable number.

1200100323473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200100323473 is an equidigital number, since it uses as much as digits as its factorization.

1200100323473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 1200100323473 its reverse (3743230010021), we get a palindrome (4943330333494).

The spelling of 1200100323473 in words is "one trillion, two hundred billion, one hundred million, three hundred twenty-three thousand, four hundred seventy-three".