16202543023 has 2 divisors, whose sum is σ = 16202543024. Its totient is φ = 16202543022.

The previous prime is 16202543009. The next prime is 16202543059. The reversal of 16202543023 is 32034520261.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16202543023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16202542982 and 16202543000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16202543003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8101271511 + 8101271512.

It is an arithmetic number, because the mean of its divisors is an integer number (8101271512).

Almost surely, 2^16202543023 is an apocalyptic number.

16202543023 is a deficient number, since it is larger than the sum of its proper divisors (1).

16202543023 is an equidigital number, since it uses as much as digits as its factorization.

16202543023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 28.

The spelling of 16202543023 in words is "sixteen billion, two hundred two million, five hundred forty-three thousand, twenty-three".