1623086968387 has 2 divisors, whose sum is σ = 1623086968388. Its totient is φ = 1623086968386.

The previous prime is 1623086968297. The next prime is 1623086968409. The reversal of 1623086968387 is 7838696803261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1623086968387 - 2⁷ = 1623086968259 is a prime.

It is a super-2 number, since 2×1623086968387² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1623086968487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811543484193 + 811543484194.

It is an arithmetic number, because the mean of its divisors is an integer number (811543484194).

Almost surely, 2^{1623086968387} is an apocalyptic number.

1623086968387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1623086968387 is an equidigital number, since it uses as much as digits as its factorization.

1623086968387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 125411328, while the sum is 67.

The spelling of 1623086968387 in words is "one trillion, six hundred twenty-three billion, eighty-six million, nine hundred sixty-eight thousand, three hundred eighty-seven".