1980460423 has 2 divisors, whose sum is σ = 1980460424. Its totient is φ = 1980460422.

The previous prime is 1980460411. The next prime is 1980460457. The reversal of 1980460423 is 3240640891.

It is a weak prime.

It is an emirp because it is prime and its reverse (3240640891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1980460423 - 2¹³ = 1980452231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1980400423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 990230211 + 990230212.

It is an arithmetic number, because the mean of its divisors is an integer number (990230212).

Almost surely, 2^1980460423 is an apocalyptic number.

1980460423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1980460423 is an equidigital number, since it uses as much as digits as its factorization.

1980460423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 1980460423 is about 44502.3642405659. The cubic root of 1980460423 is about 1255.8045608432.

The spelling of 1980460423 in words is "one billion, nine hundred eighty million, four hundred sixty thousand, four hundred twenty-three".