16463317654423 has 2 divisors, whose sum is σ = 16463317654424. Its totient is φ = 16463317654422.

The previous prime is 16463317654379. The next prime is 16463317654429. The reversal of 16463317654423 is 32445671336461.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16463317654423 - 2³⁷ = 16325878700951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16463317654429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8231658827211 + 8231658827212.

It is an arithmetic number, because the mean of its divisors is an integer number (8231658827212).

Almost surely, 2^{16463317654423} is an apocalyptic number.

16463317654423 is a deficient number, since it is larger than the sum of its proper divisors (1).

16463317654423 is an equidigital number, since it uses as much as digits as its factorization.

16463317654423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26127360, while the sum is 55.

The spelling of 16463317654423 in words is "sixteen trillion, four hundred sixty-three billion, three hundred seventeen million, six hundred fifty-four thousand, four hundred twenty-three".