6451723 has 2 divisors, whose sum is σ = 6451724. Its totient is φ = 6451722.

The previous prime is 6451691. The next prime is 6451733. The reversal of 6451723 is 3271546.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6451723 - 2⁵ = 6451691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6451691 and 6451700.

It is not a weakly prime, because it can be changed into another prime (6451733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3225861 + 3225862.

It is an arithmetic number, because the mean of its divisors is an integer number (3225862).

Almost surely, 2^6451723 is an apocalyptic number.

6451723 is a deficient number, since it is larger than the sum of its proper divisors (1).

6451723 is an equidigital number, since it uses as much as digits as its factorization.

6451723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 28.

The square root of 6451723 is about 2540.0242124830. The cubic root of 6451723 is about 186.1623721837.

The spelling of 6451723 in words is "six million, four hundred fifty-one thousand, seven hundred twenty-three".