980923453 has 2 divisors, whose sum is σ = 980923454. Its totient is φ = 980923452.

The previous prime is 980923441. The next prime is 980923459. The reversal of 980923453 is 354329089.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 945378009 + 35545444 = 30747^2 + 5962^2 .

It is an emirp because it is prime and its reverse (354329089) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 980923453 - 2²¹ = 978826301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (980923459) 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, 490461726 + 490461727.

It is an arithmetic number, because the mean of its divisors is an integer number (490461727).

Almost surely, 2^980923453 is an apocalyptic number.

It is an amenable number.

980923453 is a deficient number, since it is larger than the sum of its proper divisors (1).

980923453 is an equidigital number, since it uses as much as digits as its factorization.

980923453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 980923453 is about 31319.6975240822. The cubic root of 980923453 is about 993.6002819790.

The spelling of 980923453 in words is "nine hundred eighty million, nine hundred twenty-three thousand, four hundred fifty-three".