16923343 has 2 divisors, whose sum is σ = 16923344. Its totient is φ = 16923342.

The previous prime is 16923341. The next prime is 16923353. The reversal of 16923343 is 34332961.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16923343 - 2¹ = 16923341 is a prime.

Together with 16923341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16923341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8461671 + 8461672.

It is an arithmetic number, because the mean of its divisors is an integer number (8461672).

Almost surely, 2^16923343 is an apocalyptic number.

16923343 is a deficient number, since it is larger than the sum of its proper divisors (1).

16923343 is an equidigital number, since it uses as much as digits as its factorization.

16923343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 31.

The square root of 16923343 is about 4113.7990957265. The cubic root of 16923343 is about 256.7410929007.

The spelling of 16923343 in words is "sixteen million, nine hundred twenty-three thousand, three hundred forty-three".