16426723 has 2 divisors, whose sum is σ = 16426724. Its totient is φ = 16426722.

The previous prime is 16426687. The next prime is 16426727. The reversal of 16426723 is 32762461.

It is a strong prime.

It is an emirp because it is prime and its reverse (32762461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16426723 - 2⁹ = 16426211 is a prime.

It is not a weakly prime, because it can be changed into another prime (16426727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8213361 + 8213362.

It is an arithmetic number, because the mean of its divisors is an integer number (8213362).

Almost surely, 2^16426723 is an apocalyptic number.

16426723 is a deficient number, since it is larger than the sum of its proper divisors (1).

16426723 is an equidigital number, since it uses as much as digits as its factorization.

16426723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 31.

The square root of 16426723 is about 4052.9893905610. The cubic root of 16426723 is about 254.2047401652.

The spelling of 16426723 in words is "sixteen million, four hundred twenty-six thousand, seven hundred twenty-three".