16231603746343 has 2 divisors, whose sum is σ = 16231603746344. Its totient is φ = 16231603746342.

The previous prime is 16231603746317. The next prime is 16231603746389. The reversal of 16231603746343 is 34364730613261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16231603746343 - 2²⁹ = 16231066875431 is a prime.

It is a super-2 number, since 2×16231603746343² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16231603246343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8115801873171 + 8115801873172.

It is an arithmetic number, because the mean of its divisors is an integer number (8115801873172).

Almost surely, 2^{16231603746343} is an apocalyptic number.

16231603746343 is a deficient number, since it is larger than the sum of its proper divisors (1).

16231603746343 is an equidigital number, since it uses as much as digits as its factorization.

16231603746343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 49.

The spelling of 16231603746343 in words is "sixteen trillion, two hundred thirty-one billion, six hundred three million, seven hundred forty-six thousand, three hundred forty-three".