1202423427973 has 2 divisors, whose sum is σ = 1202423427974. Its totient is φ = 1202423427972.

The previous prime is 1202423427941. The next prime is 1202423428009. The reversal of 1202423427973 is 3797243242021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1113179035329 + 89244392644 = 1055073^2 + 298738^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202423427973 - 2⁵ = 1202423427941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202423427913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601211713986 + 601211713987.

It is an arithmetic number, because the mean of its divisors is an integer number (601211713987).

Almost surely, 2^{1202423427973} is an apocalyptic number.

It is an amenable number.

1202423427973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202423427973 is an equidigital number, since it uses as much as digits as its factorization.

1202423427973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 46.

Adding to 1202423427973 its reverse (3797243242021), we get a palindrome (4999666669994).

The spelling of 1202423427973 in words is "one trillion, two hundred two billion, four hundred twenty-three million, four hundred twenty-seven thousand, nine hundred seventy-three".