1617348016423 has 2 divisors, whose sum is σ = 1617348016424. Its totient is φ = 1617348016422.

The previous prime is 1617348016393. The next prime is 1617348016469. The reversal of 1617348016423 is 3246108437161.

It is an a-pointer prime, because the next prime (1617348016469) can be obtained adding 1617348016423 to its sum of digits (46).

It is a weak prime.

It is an emirp because it is prime and its reverse (3246108437161) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1617348016423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1617318016423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 808674008211 + 808674008212.

It is an arithmetic number, because the mean of its divisors is an integer number (808674008212).

Almost surely, 2^{1617348016423} is an apocalyptic number.

1617348016423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1617348016423 is an equidigital number, since it uses as much as digits as its factorization.

1617348016423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 1617348016423 in words is "one trillion, six hundred seventeen billion, three hundred forty-eight million, sixteen thousand, four hundred twenty-three".