16547908423 has 2 divisors, whose sum is σ = 16547908424. Its totient is φ = 16547908422.

The previous prime is 16547908373. The next prime is 16547908451. The reversal of 16547908423 is 32480974561.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16547908423 - 2²⁵ = 16514353991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16541908423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8273954211 + 8273954212.

It is an arithmetic number, because the mean of its divisors is an integer number (8273954212).

It is a 1-persistent number, because it is pandigital, but 2⋅16547908423 = 33095816846 is not.

Almost surely, 2^16547908423 is an apocalyptic number.

16547908423 is a deficient number, since it is larger than the sum of its proper divisors (1).

16547908423 is an equidigital number, since it uses as much as digits as its factorization.

16547908423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 16547908423 in words is "sixteen billion, five hundred forty-seven million, nine hundred eight thousand, four hundred twenty-three".