1631486023 has 2 divisors, whose sum is σ = 1631486024. Its totient is φ = 1631486022.

The previous prime is 1631485969. The next prime is 1631486041. The reversal of 1631486023 is 3206841361.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1631486023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1631486023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1631486123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 815743011 + 815743012.

It is an arithmetic number, because the mean of its divisors is an integer number (815743012).

Almost surely, 2^1631486023 is an apocalyptic number.

1631486023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1631486023 is an equidigital number, since it uses as much as digits as its factorization.

1631486023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 1631486023 is about 40391.6578392123. The cubic root of 1631486023 is about 1177.2294530963.

The spelling of 1631486023 in words is "one billion, six hundred thirty-one million, four hundred eighty-six thousand, twenty-three".